# Algebra and Number Theory Seminar

Showing all archived events in this series.

**Wednesday 21st February 16:00-17:00Maths 110**

### A slight improvement to Schmidt's bound for "Number fields of given degree and bounded discriminant"

Kevin Hughes (Edinburgh Napier University)

**Wednesday 14th February 16:00-17:00Maths 110**

### Endotrivial modules for finite groups of Lie type

Nadia Mazza (Lancaster University)

**Wednesday 7th February 16:00-17:00Maths 110**

### Isomorphisms of deformations and quantizations of Kleinian singularities

Simone Castellan (University of Glasgow)

**Wednesday 31st January 16:00-17:00Maths 110**

### A derived Deligne-Langlands correspondence

Jonas Antor (University of Oxford)

**Wednesday 17th January 16:00-17:00Maths 110**

### Hecke modifications and parabolic bundles

Inder Kaur (University of Glasgow)

**Wednesday 10th January 16:00-17:00Maths 311B**

### The cancellation property for projective modules over integral group rings

John Nicholson (University of Glasgow)

**Wednesday 6th December, 2023 16:00-17:00Maths 110**

### Paucity of rational points on fibrations with multiple fibres

Julian Lyczak (University of Bath)

**Wednesday 29th November, 2023 16:00-17:00Maths 110**

### GIT for linear systems of hypersurfaces

Aline Zanardini (EPFL)

**Thursday 23rd November, 2023 10:00-11:00Maths 311B**

### Quantizations and Harish-Chandra modules

Ivan Losev (Yale University)

**Wednesday 22nd November, 2023 16:00-17:00Maths 110**

### Zooming in on quadrics

Alec Shute (University of Bristol)

**Wednesday 15th November, 2023 16:00-17:00Maths 110**

### The recent progress on LLV-decomposition

Nikon Kurnosov (University of the West of Scotland)

**Wednesday 8th November, 2023 16:00-17:00Maths 110**

### Steinberg modules and high-dimensional rational cohomology of symplectic groups

Robin J. Sroka (University of Münster)

**Wednesday 1st November, 2023 16:00-17:00Maths 110**

### Cycle relations in the affine grassmannian and applications to p-adic Galois representations

Robin Bartlett (University of Glasgow)

**Wednesday 18th October, 2023 16:00-17:00Maths 110**

### Parabolic Hilbert schemes and rational Cherednik algebras

Monica Vazirani (University of California - Davis)

**Wednesday 11th October, 2023 16:00-17:00Maths 110**

### Hikita-Nakajima conjecture for ADHM space.

Pavel Shlykov (University of Glasgow)

**Wednesday 4th October, 2023 16:00-17:00Maths 110**

### Positroid varieties via representation theory

Matt Pressland (University of Glasgow)

**Wednesday 27th September, 2023 16:00-17:00Maths 110**

### Fusion categories as (quantum) symmetries: on McKay correspondence and stability conditions.

Edmund Heng (IHES)

**Wednesday 20th September, 2023 16:00-17:00Maths 110**

### Arithmetic geometry of representation spaces

Bailey Whitbread (University of Queensland)

**Wednesday 13th September, 2023 16:00-17:00Maths 110**

### Macdonald Polynomials and Gram-Schmidt in Derived Categories

Anton Khoroshkin (Haifa University)

**Wednesday 19th July, 2023 16:00-17:00Maths 311B**

### Analytic methods for purity of strong approximation

Zhizhong Huang (IST Austria)

**Wednesday 24th May, 2023 16:00-17:00Maths 311B**

### Massey products and class field towers

Eric Ahlqvist (University of Edinburgh)

**Wednesday 17th May, 2023 16:00-17:00Maths 311B**

### Minimal model program and foliations

Calum Spicer (King's College London)

**Wednesday 10th May, 2023 16:00-17:00Maths 311B**

### The polynomial question in modular invariant theory

Ami Braun (University of Haifa)

**Wednesday 3rd May, 2023 16:00-17:00Maths 311B**

### The Third Moment of Quadratic L-Functions

Ian Whitehead (Swarthmore College)

**Wednesday 26th April, 2023 16:00-17:00Maths 311B**

### Finite Dimensional DGAs

Isambard Goodbody (University of Glasgow)

**Wednesday 29th March, 2023 16:00-17:00Maths 311B**

### The spherical Hecke algebra and its Gelfand-Graev representation

Valentin Buciumas (KdV Institute and University of Amsterdam)

**Wednesday 22nd March, 2023 16:00-17:00Maths 311B**

### Grassmannians, plabic graphs, and mirror symmetry for cluster varieties

Tim Magee (King's College London)

**Wednesday 15th March, 2023 16:00-17:00Maths 311B**

### Mixed Hodge modules and real groups

Dougal Davis (University of Melbourne)

**Wednesday 8th March, 2023 16:00-17:00Maths 311B**

### Computing Cluster Expansions via matrices

Emine Yildirim (University of Leeds)

**Wednesday 1st March, 2023 16:00-17:00Maths 311B**

### Path Integrals and p-adic L-functions

Minhyong Kim (ICMS)

**Wednesday 22nd February, 2023 16:00-17:00Maths 311B**

### K-moduli for log Fano complete intersection

Theo Papazachariou (University of Glasgow)

**Wednesday 15th February, 2023 16:00-17:00Maths 311B**

### Representations of the Dunkl total angular momentum algebra

Alexis Langlois-Rémillard (Ghent University)

**Wednesday 8th February, 2023 16:00-17:00Maths 311B**

### Unimodal singularities and boundary divisors in the KSBA moduli of a class of Horikawa surfaces

Luca Schaffler (Roma Tre University)

**Wednesday 1st February, 2023 16:00-17:00Maths 311B**

### McKay correspondence and moduli of G-constellations

Ryo Yamagishi (National Center for Theoretical Sciences)

**Wednesday 25th January, 2023 16:00-17:00Maths 311B**

### Endomorphisms of Gelfand-Graev representations

Jack Shotton (Durham University)

**Wednesday 18th January, 2023 16:00-17:00Maths 311B**

### Character varieties with regular monodromy

Anna Puskás (University of Glasgow )

**Wednesday 11th January, 2023 16:00-17:00Maths 311B**

### Néron models of Jacobians and Chai's conjecture

Otto Overkamp (University of Oxford)

**Wednesday 7th December, 2022 16:00-17:00Maths 311B**

### MacMahon KZ equation for Quantum Toroidal \mathfrak{gl}_1 Algebra

Panupong Cheewaphutthisakun (University of Glasgow)

**Wednesday 30th November, 2022 16:00-17:00Maths 311B**

### Multiplicative vertex algebras and wall-crossing in equivariant K-theory

Henry Liu (University of Oxford)

**Wednesday 23rd November, 2022 16:00-17:00Maths 311B**

### Grothendieck Groups of Discrete Cluster Categories

Dave Murphy (University of Glasgow)

**Wednesday 16th November, 2022 16:00-17:00Maths 311B**

### Modularity in the partial weight one case

Hanneke Wiersema (University of Cambridge)

**Wednesday 9th November, 2022 16:00-17:00Maths 311B**

### What has p-Kazhdan—Lusztig theory done for us?

Chris Bowman (University of York)

**Wednesday 2nd November, 2022 16:00-17:00Maths 311B**

### Frobenius algebra objects in Temperley-Lieb categories at roots of unity

Joseph Grant (University of East Anglia)

**Wednesday 26th October, 2022 16:00-17:00Maths 311B**

### Finitistic dimension and derived categories

Jeremy Rickard (University of Bristol)

**Wednesday 19th October, 2022 16:00-17:00Maths 311B**

### Hilbert Irreducibility Theorems for varieties of intermediate type

Damian Gvirtz-Chen (University of Glasgow)

**Wednesday 12th October, 2022 16:00-17:00Maths 311B**

### Pure braid group presentations via longest elements

Caroline Namanya (Makerere University)

**Wednesday 5th October, 2022 16:00-17:00Maths 311B**

### The Artin Component and Simultaneous Resolution via Reconstruction Algebras of Type A

Brian Makonzi (Makerere University)

**Wednesday 28th September, 2022 16:00-17:00Maths 311B**

### On a question of Davenport and diagonal cubic forms over $$\mathbb{F}_q(t)$$

Leonhard Hochfilzer (University of Göttingen)

**Wednesday 21st September, 2022 16:00-17:00Maths 311B**

### Character sheaves and Khovanov-Rozansky homology

Kostiantyn Tolmachov (University of Edinburgh)

**Wednesday 14th September, 2022 16:00-17:00Maths 311B**

### Subalgebras of the Cherednik algebra occurring within Howe duality

Kieran Calvert (University of Manchester)

**Wednesday 25th May, 2022 16:00-17:00Maths 110**

### Epipelagic representations in the local Langlands correspondence

Beth Romano (Kings College London)

**Wednesday 18th May, 2022 16:00-17:00Maths 110**

### Local Normal Forms of Noncommutative Functions

Michael Wemyss (University of Glasgow)

**Wednesday 4th May, 2022 16:00-17:00Maths 110**

### A modular construction of unramified p-extensions of Q(N^{1/p})

Jaclyn Lang (Temple University)

**Wednesday 27th April, 2022 16:00-17:00Maths 110**

### Stratification of tensor-triangulated categories

Charalampos Verasdanis (University of Glasgow)

**Wednesday 20th April, 2022 16:00-17:00Maths 110**

### Euler structures and noncommutative volume forms

Pavel Safronov (University of Edinburgh)

**Wednesday 23rd March, 2022 16:00-17:00Maths 110**

### Explicit isogenies of prime degree over number fields

Barinder Banwait (Ruprecht-Karls-Universität Heidelberg)

**Wednesday 16th March, 2022 16:00-17:00Maths 110**

### Ideals in enveloping algebras of loop and affine Lie algebras

Susan Sierra (University of Edinburgh)

**Wednesday 9th March, 2022 16:00-17:00Maths 110**

### Thick Subcategories and Lattices

Sira Gratz (University of Glasgow )

**Wednesday 2nd March, 2022 16:00-17:00Maths 110**

### Parity of ranks of elliptic curves

Holly Green (University College London)

**Wednesday 23rd February, 2022 16:00-17:00Maths 110**

### Grassmannian twists categorified

Matthew Pressland (University of Glasgow)

**Wednesday 16th February, 2022 16:00-17:00Maths 110**

### Schinzel's Hypothesis and applications to rational points

Efthymios Sofos (University of Glasgow)

**Wednesday 9th February, 2022 16:00-17:00Maths 110**

### Arithmetic statistics via graded Lie algebras

Jef Laga (University of Cambridge)

**Wednesday 2nd February, 2022 16:00-17:00Maths 110**

### p-adic variation of Galois representations and modular forms

Rebecca Bellovin (University of Glasgow)

**Wednesday 26th January, 2022 16:00-17:00Maths 110**

### Friezes from surfaces

Ana Garcia Elsener (University of Glasgow)

**Wednesday 19th January, 2022 16:00-17:00Maths 110**

### Non-commutative Poisson geometry of Boalch's multiplicative quiver varieties

Maxime Fairon (University of Glasgow)

**Wednesday 8th December, 2021 16:00-17:00Maths 110**

### The centre of the restricted rational Cherednik algebra

Niall Hird (University of Glasgow)

**Wednesday 1st December, 2021 16:00-17:00Maths 110**

### Average Ranks of Elliptic Curves after p-Extension

Ross Paterson (University of Glasgow)

**Wednesday 24th November, 2021 16:00-17:00Maths 110**

### Statistics of integral points on conics and related problems

Carlo Pagano (University of Glasgow)

**Wednesday 17th November, 2021 16:00-17:00Maths 110**

### Invariant holonomic systems for symmetric spaces

Toby Stafford (University of Manchester)

**Wednesday 10th November, 2021 16:00-17:00Maths 110**

### Conic fibrations over elliptic curves and the elliptic sieve

Simon Leo Rydin Myerson (University of Warwick)

**Wednesday 27th October, 2021 16:00-17:00Maths 116 (please note room the room change)**

### Moduli spaces: old and new

Alastair Craw (University of Bath)

**Wednesday 20th October, 2021 16:00-17:00Maths 110**

### The 2-parity conjecture for Jacobians of hyperelliptic curves

Adam Morgan (University of Glasgow)

**Wednesday 13th October, 2021 16:00-17:00Maths 110**

### Numerical polynomials, Kummer congruences and Massey products

Andrew Baker (University of Glasgow)

**Wednesday 6th October, 2021 16:00-17:00Maths 110**

### Explicit exceptional collections for Johnson-Kollar stacks

Franco Rota (University of Glasgow)

**Wednesday 29th September, 2021 16:00-17:00Maths 110**

### W-algebras and Lax type operators

Daniele Valeri (University of Glasgow)

**Wednesday 22nd September, 2021 16:00-17:00Maths 110**

### Rank two weak Fano bundles on del Pezzo threefolds of degree four

Wahei Hara (University of Glasgow)

**Wednesday 2nd June, 2021 16:00-17:00online (via Zoom)**

### A surface and a threefold with equivalent singularity categories

Martin Kalck

**Wednesday 24th March, 2021 16:00-17:00online (zoom)**

### Statistics for ray class groups of number fields

Alex Bartel (University of Glasgow)

**Wednesday 17th March, 2021 16:00-17:00online (zoom)**

### Connected Hopf algebras

Ken Brown (University of Glasgow )

**Wednesday 10th March, 2021 16:00-17:00online (zoom)**

### On the reality of complex reflection groups (and their associated Hecke algebras)

Maria Chlouveraki (Laboratoire de Mathématiques de Versailles)

**Wednesday 3rd March, 2021 16:00-17:00online (zoom)**

### On the Liouville function at polynomial arguments

Joni Teräväinen (University of Oxford)

**Wednesday 24th February, 2021 16:00-17:00online zoom**

### Affine Lusztig-Kato formula

Dinakar Muthiah (University of Glasgow)

**Wednesday 17th February, 2021 16:00-17:00online (zoom)**

### Del Pezzo fibrations in positive characteristic

Andrea Fanelli (University of Bordeaux)

**Wednesday 10th February, 2021 16:00-17:00online (zoom)**

### Counting Quadratic Points on Surfaces

Nick Rome (University of Michigan)

**Wednesday 3rd February, 2021 16:00-17:00online (zoom)**

### Local statistics: dynamics, number theory and universality

Daniel El-Baz (TU Graz)

**Wednesday 20th January, 2021 16:00-17:00online (zoom) **

### Arithmetic statistics in the n = p case

Peter Koymans (Max Planck Institute for Mathematics)

**Wednesday 16th December, 2020 16:00-17:00online (zoom)**

### Equidistribution and freeness on Grassmanians

Florian Wilsch (IST Austria, Vienna)

**Wednesday 9th December, 2020 16:00-17:00Maths 311B**

### Homological representations of families of groups

Arthur Soulié (University of Glasgow)

**Wednesday 2nd December, 2020 16:00-17:00online zoom**

### Tropical disks counting, stability conditions in symplectic geometry and quiver representations

Man-Wai, Mandy, Cheung (Harvard University)

**Wednesday 25th November, 2020 16:00-17:00zoom (online)**

### Double (quasi-)Poisson algebras and their morphisms

Maxime Fairon (University of Glasgow)

**Wednesday 18th November, 2020 16:00-17:00online (zoom)**

### 2-Selmer Groups of Twists after Quadratic Extension

Ross Paterson (University of Glasgow)

**Wednesday 11th November, 2020 16:00-17:00zoom (online)**

### On the expected number of random primes required to generate a Galois group

Gareth Tracey (Oxford University)

**Wednesday 4th November, 2020 16:00-17:00online (zoom)**

### Geometric model for syzygies over certain 2-Calabi-Yau tilted algebras

Khrystyna Serhiyenko (University of Kentucky)

**Wednesday 28th October, 2020 16:00-17:00online (zoom)**

### The geometry of diagonal groups

Peter Cameron (University of St. Andrews)

**Wednesday 21st October, 2020 16:00-17:00online (zoom)**

### On derived equivalence for a 7-dimensional flop associated to G_2 Grassmannians

Wahei Hara (University of Glasgow)

**Wednesday 14th October, 2020 16:00-17:00Online (Zoom)**

### Recent developments on the 2-infinity parts of class groups and related problems

Carlo Pagano (Glasgow University)

**Wednesday 25th March, 2020 16:00-17:00Maths 311B**

### *Cancelled*

Christopher Frei (University of Manchester)

**Wednesday 18th March, 2020 16:00-17:00Maths 311B**

### (*Update: cancelled) On the expected number of random primes required to generate a Galois group

Gareth Tracey (University of Bath)

**Wednesday 11th March, 2020 16:00-17:00Maths 311B**

### K-stability of smooth Fano threefolds

Ivan Cheltsov (University of Edinburgh)

**Wednesday 4th March, 2020 16:00-17:00Maths 311B**

### (Update: cancelled) Explicit uniform bounds for the Brauer groups of CM Kummer surfaces and Hilbert 10th problem

Francesca Balestrieri (IST Austria, Vienna)

**Wednesday 26th February, 2020 16:00-17:00Maths 311B**

### A Galois counting problem

Sam Chow (University of Warwick)

**Wednesday 19th February, 2020 16:00-17:00Maths 311B**

### Rational points on complete intersections over global fields

Pankaj Vishe (Durham University)

**Wednesday 12th February, 2020 16:00-17:00Maths 311B**

### On the Brauer group of diagonal surfaces

Alexei Skorobogatov (Imperial College London )

**Wednesday 5th February, 2020 16:00-17:00Maths 311B**

### Unboundedness of Markov complexity of monomial curves in $\mathbb{A}^n$ for $n \geq 4$.

Dimitra Kosta (University of Glasgow )

**Wednesday 29th January, 2020 16:00-17:00Maths 311B**

### Projective generators for equivariant D-modules

Gwyn Bellamy (University of Glasgow)

**Wednesday 22nd January, 2020 16:00-17:00Maths 311B**

### Universal quantisations of nilpotent Slodowy varieties and W-algebras

Lewis Topley (University of Birmingham)

**Wednesday 15th January, 2020 16:00-17:00Maths 311B**

### A Mordell-Weil theorem for cubic hypersurfaces of high dimension

Samir Siksek (University of Warwick)

**Wednesday 11th December, 2019 16:00-17:00Maths 311B**

### Modular functor from higher Teichmüller theory

Alexander Shapiro (University of California, Berkeley)

**Tuesday 26th November, 2019 14:00-15:00Maths 311B**

### The non-commutative geometry of defects

John Barrett (University of Nottingham)

**Wednesday 20th November, 2019 16:00-17:00Maths 311B**

### K(pi,1) via stability conditions

Michael Wemyss (University of Glasgow)

**Wednesday 13th November, 2019 16:00-17:00Maths 311B**

### How to count a single curve

Okke van Garderen (University of Glasgow)

**Wednesday 30th October, 2019 16:00-17:00Maths 311B**

### Counting failures of a local-global principle

Rachel Newton (University of Reading)

**Wednesday 23rd October, 2019 16:00-17:00Maths 311B**

### Classifying blocks of finite groups

Charles Eaton (University of Manchester)

**Wednesday 16th October, 2019 16:00-17:00Maths 311B**

### Models of curves

Tim Dokchitser (University of Bristol)

**Wednesday 9th October, 2019 16:00-17:00Maths 311B**

### Quasi-morphisms on surface diffeomorphism groups

Sebastian Hensel (LMU Munich)

**Wednesday 2nd October, 2019 16:00-17:00Maths 311B**

### Wreath Macdonald polynomials as eigenstates

Joshua Jeishing Wen (University of Illinois at Urbana-Champaign)

**Wednesday 2nd October, 2019 13:00-14:00Maths 110**

### Bases for upper cluster algebras and tropical points

Fan Qin (Shanghai Jiao Tong University)

**Wednesday 25th September, 2019 16:00-17:00Maths 311B**

### Simplicity of Tannakian categories in characteristic zero

Martin Gallauer (University of Oxford)

**Wednesday 22nd May, 2019 16:00-17:00Maths 311B**

### Dimer models and Hochschild cohomology

Michael Wong (University College London)

**Wednesday 15th May, 2019 16:00-17:00Maths 311B**

### Givental's formalism for Gromov-Witten theory and Tate cohomology.

Tom Coates (Imperial College London)

**Wednesday 8th May, 2019 15:00-16:00Maths 116**

### Trace theories and their uses

Dmitry Kaledin (Higher School of Economics)

**Wednesday 8th May, 2019 14:00-15:00Maths 116**

### Grothendieck groups of triangulated categories with higher cluster tilting subcategories

Francesca Fedele (Newcastle University)

**Wednesday 1st May, 2019 15:00-16:00Maths 110**

### Geometric invariant theory and Hopf algebras

Ehud Meir (University of Aberdeen)

**Wednesday 24th April, 2019 16:00-17:00Maths 311B**

### Derived equivalence classification of Brauer graph algebras

Alexandra Zvonareva (University of Stuttgart)

**Wednesday 17th April, 2019 16:00-17:00Maths 311B**

### Primitive ideals in nilpotent Iwasawa algebras

Adam Jones (University of Oxford)

**Wednesday 27th March, 2019 16:00-17:00Maths 311B**

### Computing isomorphisms between lattices

Henri Johnston (University of Exeter)

**Wednesday 20th March, 2019 16:00-17:00Maths 311B**

### Idealisers in Skew Group Rings

Ruth Reynolds (University of Edinburgh)

**Wednesday 13th March, 2019 16:00-17:00Maths 311B**

### Representation motives, a cautionary tale

Lieven Le Bruyn (University of Antwerp)

**Wednesday 6th March, 2019 16:00-17:00Maths 311B**

### Galois theory for (derived) commutative rings

Andrew Baker (University of Glasgow )

**Wednesday 27th February, 2019 16:00-17:00Maths 311B**

### Canonical lifts and delta-structures

Lance Gurney (University of Amsterdam)

**Wednesday 20th February, 2019 16:00-17:00Maths 311B**

### Contraction algebras and noncommutative derived geometry

Matt Booth (University of Edinburgh)

**Wednesday 13th February, 2019 16:00-17:00Maths 311B**

### The Calabi-Yau Property for Multiplicative Preprojective Algebras

Daniel Kaplan (Imperial College London)

**Wednesday 6th February, 2019 16:00-17:00Maths 311B**

### A counterexample to the first Zassenhaus conjecture

Florian Eisele (University of Glasgow )

**Wednesday 30th January, 2019 16:00-17:00Maths 311B**

### Moduli of tensor stable points and refined representations

Tarig Abdelgadir (ICTP Trieste)

**Wednesday 23rd January, 2019 16:00-17:00Maths 311B**

### Decompositions of Frobenius pushforwards of vector bundles on partial flag varieties

Alexander Samokhin (IITP Moscow)

**Wednesday 16th January, 2019 16:00-17:00Maths 311B**

### Log Chow theory

Lawrence Barrott (National Center for Theoretical Sciences)

**Wednesday 9th January, 2019 16:00-17:00Maths 311B**

### Hochschild cohomology of partial flag varieties

Pieter Belmans (Max Planck Institute)

**Wednesday 5th December, 2018 16:00-17:00Maths 311B**

### Twisted equivariant D-modules on rigid analytic spaces

Richard Mathers (University of Oxford)

**Wednesday 28th November, 2018 16:00-17:00Maths 311B**

### Parity of ranks of abelian varieties

Adam Morgan (University of Glasgow )

**Wednesday 21st November, 2018 16:00-17:00Maths 311B**

### Triangulated categories without a model

Alice Rizzardo (University of Liverpool)

**Wednesday 14th November, 2018 16:00-17:00Maths 311B**

### On the Dold-Kan correspondence

Gustavo Jasso (University of Bonn)

**Wednesday 7th November, 2018 16:00-17:00Maths 311B**

### Stability conditions on the A2 quiver

Tom Bridgeland (University of Sheffield)

**Wednesday 31st October, 2018 16:00-17:00Maths 311B**

### Geometric realisations of spline spaces on a simplicial complex

Nelly Villamizar (Swansea University)

**Wednesday 24th October, 2018 16:00-17:00Maths 311B**

### The Yang-Baxter equation and higher twists over SU(n)

Ulrich Pennig (Cardiff University)

**Wednesday 17th October, 2018 16:00-17:00Maths 311B**

### On the tensor product of well generated pretriangulated DG categories

Julia Ramos González (University of Antwerp)

**Wednesday 10th October, 2018 16:00-17:00Maths 311B**

### Maximal Green sequences and stability conditions in module categories

Hipolito Treffinger (University of Leicester)

**Wednesday 3rd October, 2018 16:00-17:00Maths 311B**

### Degenerations of weighted projective lines

Daniel Chan (University of New South Wales)

**Wednesday 26th September, 2018 16:00-17:00Maths 311B**

### A representation of the spherical double affine Hecke algebra on the quantum cohomology ring of a Grassmannian

Vincent Gajda (University of Bonn)

**Wednesday 19th September, 2018 16:00-17:00Maths 116**

### (Some of) What I don't know about the Kronecker quiver

Greg Stevenson (University of Glasgow )

**Wednesday 12th September, 2018 16:00-17:00Maths 311B**

### Algebraic K-theory of singularity categories of quotient singularities

Evgeny Shinder (University of Sheffield)

**Wednesday 27th June, 2018 16:00-17:00Maths 110**

### Multiple zeta values in deformation quantization

Brent Pym (University of Edinburgh)

**Wednesday 20th June, 2018 16:00-17:00Maths 110**

### Hopf-Galois Theory and the Yang-Baxter Equation via Skew Braces

Kayvan Nejabati Zenouz (University of Edinburgh)

**Monday 18th June, 2018 16:00-17:00Maths 311B**

### Operads for ring theorists

James Zhang (University of Washington)

**Wednesday 6th June, 2018 16:00-17:00Maths 110**

### Very flat modules and quasi-coherent sheaves

Alexander Slavik (Charles University)

**Wednesday 23rd May, 2018 16:00-17:00Maths 110**

### Commutative-by-finite Hopf algebras and their finite dual

Miguel Couto (University of Glasgow)

**Wednesday 16th May, 2018 16:00-17:00Maths 110**

### The polynomial question in modular invariant theory, old and new

Amiram Braun (University of Haifa)

**Wednesday 16th May, 2018 15:00-16:00Maths 110**

### The derived equivalence class of contraction algebras

Jenny August (University of Edinburgh)

**Friday 11th May, 2018 15:00-16:00Seminar room 311B**

### Learning Bayesian Networks Using Generalized Permutohedra

Fatemeh Mohammadi (University of Bristol)

**Wednesday 9th May, 2018 16:00-17:00Maths 110**

### Jump sets in local fields

Carlo Pagano (Leiden University)

**Wednesday 2nd May, 2018 16:00-17:00Maths 110**

### Presentations for Thompson’s infinite simple group V and some of its generalisations

Martyn Quick (U. St Andrews)

**Monday 30th April, 2018 16:00-17:00Maths 311B**

### The cohomology of hyperkahler quotients.

Thomas Nevins (UIUC)

**Wednesday 25th April, 2018 16:00-17:00Maths 110**

### (Cohomology of) arrangements

Brent Everitt (University of York)

**Wednesday 21st March, 2018 16:00-17:00Maths 110**

### Commensurability in Artin groups

Luis Paris (Université de Bourgogne)

**Monday 12th March, 2018 15:00-16:00Maths 311B**

### On the quasi-isometry and commensurability classification of low height constructible groups

Nicholas Touikan (Stevens Institute of Technology)

**Wednesday 7th March, 2018 16:00-17:00Maths 311B**

### Purity and pp formulas for sheaves

Samuel Dean (University of Glasgow)

**Wednesday 21st February, 2018 16:00-17:00Maths 311B**

### Inverting elements in rings

Joseph Chuang (City University of London)

**Wednesday 14th February, 2018 16:00-17:00Maths 116**

### Recovering automorphisms of quantum spaces

Jan Grabowski (Lancaster University)

**Wednesday 7th February, 2018 16:00-17:00Maths 311B**

### Bousfield localisation and colocalisations of one-dimensional model structures.

Scott Balchin (University of Sheffield)

**Wednesday 24th January, 2018 16:00-17:00Maths 116**

### Dunkl angular momenta algebra

Misha Feigin (University of Glasgow)

**Wednesday 17th January, 2018 16:00-17:00Maths 116**

### Separating invariants and local cohomology

Emilie Dufresne (University of Nottingham)

**Wednesday 10th January, 2018 16:00-17:00Maths 116**

### Frobenius pushforwards on Grassmannians Gr(2,n)

Theo Raedschelders (University of Glasgow)

**Wednesday 6th December, 2017 16:00-17:00Maths 311B**

### Formality of P-objects

Andreas Hochenegger (Università degli Studi di Milano)

**Wednesday 29th November, 2017 16:00-17:00Maths 311B**

### Extremal twist and quantization of homogeneous vector bundles

Andrey Mudrov (University of Leicester)

**Wednesday 22nd November, 2017 16:00-17:00Maths 311B**

### Vertex algebra module theory made easy-ish

Simon Wood (Cardiff University)

**Wednesday 22nd November, 2017 15:00-16:00Maths 311B**

### Quantum homogeneous spaces and decomposable plane curves.

Angela Tabiri (University of Glasgow)

**Wednesday 15th November, 2017 16:00-17:00Maths 311B**

### Regulator constants of integral representations

Alex Torzewski (University of Warwick)

**Wednesday 15th November, 2017 15:00-16:00Maths 311B**

### Rigid local systems

Michael Groechenig (Freie Universität Berlin)

**Wednesday 8th November, 2017 16:00-17:00Maths 311B**

### Iwasawa algebras

Billy Woods (University of Glasgow)

**Wednesday 1st November, 2017 16:00-17:00Maths 311B**

### Absurd abelian groups

Jeremy Rickard (University of Bristol)

**Wednesday 25th October, 2017 16:00-17:00Maths 311B**

### Beyond Grothendieck groups of stable categories

Greg Stevenson (University of Glasgow)

**Wednesday 18th October, 2017 16:00-17:00Maths 311B**

### Conic modules and global dimension of rings of differential operators

Eleonore Faber (University of Leeds)

**Wednesday 11th October, 2017 16:00-17:00Maths 311B**

### What does a random finitely generated abelian group look like?

Alex Bartel (University of Glasgow)

**Friday 6th October, 2017 15:00-16:00Seminar room 311B**

### Random Walks in Soluble Group Theory

Peter Kropholler (University of Southampton)

**Wednesday 4th October, 2017 16:00-17:00Maths 311B**

### Decompositions of hyperbolic groups

Benjamin Barrett (University of Cambridge)

**Wednesday 20th September, 2017 16:00-17:00Maths 311B**

### Maximal subgroups of groups of intermediate growth

Alejandra Garrido (Heinrich Heine Universität Düsseldorf)

**Tuesday 27th June, 2017 16:00-17:00Maths 331B**

### The Genus of Space Curves

Ben Schmidt (The University of Texas at Austin)

**Wednesday 31st May, 2017 16:00-17:00Maths 331B**

### On Humphreys "parameterization of blocks" conjecture

Ami Braun (U. Haifa, Israel)

**Wednesday 17th May, 2017 16:00-17:00Maths 331B**

### The action dimension of some discrete groups

Michael Davis (Ohio State Univdersity)

**Wednesday 17th May, 2017 14:15-15:15Maths 331B**

### Krull dimension of groups and applications to large return probability

Lison Jacoboni (d'Orsay, U. Paris-Sud)

**Wednesday 17th May, 2017 13:15-14:15Maths 331B**

### Finiteness conditions for classifying spaces for the family of virtually cyclic subgroups

Brita Nucinkis (Royal Holloway, University of London)

**Friday 12th May, 2017 15:00-16:00Maths and stats seminar room, level 3**

### Probabilistic and statistical aspects of geometric group theory

Murray Elder (The University of Newcastle, Australia)

**Wednesday 10th May, 2017 16:00-17:00TBC**

### Rational points on wall intersections and the construction of moduli spaces

Sven Meinhardt (University of Sheffield)

**Wednesday 3rd May, 2017 16:00-17:00tbc**

### Primitive ideals in Poisson orders

Lewis Topley (University of Kent)

**Wednesday 26th April, 2017 16:00-17:00tbc**

### Cores and intersection numbers of group cubulations

Mark Hagen (University of Cambridge)

**Wednesday 22nd March, 2017 16:00-17:00Maths 515**

### Transvections in the automorphism group of a partially commutative group

Andrew Duncan (Newcastle University)

**Wednesday 15th March, 2017 16:00-17:00Maths 515**

### Azumaya loci and discriminant ideals

Ken Brown (University of Glasgow)

**Wednesday 8th March, 2017 16:00-17:00Maths 515**

### Suzuki functor at the critical level

Tomasz Przeździecki (University of Glasgow)

**Wednesday 1st March, 2017 16:00-17:00Maths 515**

### Positivity of Kac polynomials

Ben Davison (University of Glasgow)

**Wednesday 22nd February, 2017 16:00-17:00Maths 522**

### Dimensions of discrete groups and Brown's question

Nansen Petrosyan (University of Southampton)

**Wednesday 22nd February, 2017 15:00-16:00Maths 522**

### A(nother) topologist ponders the ring of quasi-symmetric functions

Nick Kuhn (University of Virginia)

**Wednesday 15th February, 2017 16:00-17:00Maths 515**

### Hyperbolic groups and their subgroups

Giles Gardam (University of Oxford)

**Wednesday 8th February, 2017 16:00-17:00Maths 515**

### Working with the Steenrod algebra: an introduction for algebraists

Andy Baker (University of Glasgow)

**Wednesday 1st February, 2017 16:00-17:00Maths 515**

### Symplectic resolutions of quiver varieties.

Gwyn Bellamy (University of Glasgow)

**Wednesday 25th January, 2017 16:00-17:00Maths 515**

### Ivanov’s Metaconjecture

Alan McLeay (University of Glasgow)

**Wednesday 18th January, 2017 16:00-17:00Maths 522**

### Higher zig-zag algebras

Joseph Grant (University of East Anglia)

**Wednesday 11th January, 2017 16:00-17:00Maths 522**

### Infinite mutations on marked surfaces

Sira Gratz (University of Oxford)

**Wednesday 7th December, 2016 16:00-17:00Maths 522**

### Hidden symmetries of hyperkähler varieties

Ciaran Meachan (University of Glasgow)

**Wednesday 30th November, 2016 16:00-17:00Maths 522**

### Finite presentability of semigroups and isometries

Markus Pfeiffer (University of St Andrews)

**Wednesday 23rd November, 2016 16:00-17:00Maths 522**

### Thick subcategories of d-abelian categories (report on joint work with Martin Herschend and Laertis Vaso)

Peter Jorgensen (Newcastle University)

**Wednesday 16th November, 2016 16:00-17:00Maths 522**

### Singularity categories of deformations of Kleinian singularities

Simon Crawford (University of Edinburgh)

**Wednesday 9th November, 2016 16:00-17:00Maths 522**

### Mixed vs cyclic homology

Uli Krähmer (University of Glasgow)

**Wednesday 2nd November, 2016 16:00-17:00Maths 522**

### Random curves, knots, and three-manifolds

Igor Rivin (University of St Andrews)

**Wednesday 26th October, 2016 16:00-17:00Maths 522**

### Corresponding module and ordered groupoid sequences

Bernard Bainson (Heriot Watt)

**Wednesday 19th October, 2016 16:00-17:00Maths 522**

### Plethories

William Mycroft (University of Sheffield)

**Wednesday 12th October, 2016 16:00-17:00Maths 522**

### Conjugacy growth in groups

Laura Ciobanu (Heriot Watt University)

**Wednesday 5th October, 2016 16:00-17:00Maths 522**

### On Embedding RAAGs in Higher-Dimensional Brin-Thompson groups

Collin Bleak (University of St Andrews)

**Monday 26th September, 2016 16:00-17:00Maths 522**

### Affine actions, and tilings of the plane

Michael Wemyss (University of Glasgow)

**Wednesday 21st September, 2016 16:00-17:00Maths 522**

### Every group is the outer automorphism group of an HNN-extension of a fixed triangle group

Alan Logan (University of Glasgow)

**Wednesday 22nd June, 2016 16:30-17:30Maths 522**

### Modular representation theory and hypertoric varieties

Tom Braden (University of Massachusetts, Amherst)

**Wednesday 22nd June, 2016 15:30-16:30Maths 522**

### On (pp-)almost direct products and residual properties of pure braid groups of surfaces.

Paolo Bellingeri (University of Caen)

**Wednesday 8th June, 2016 16:00-17:00Maths 522**

### Actions of semisimple Hopf algebras on iterated Ore extensions

Christian Lomp (University of Porto)

**Monday 6th June, 2016 16:00-17:00Maths 522**

### Bordered Floer homology via immersed curves

Liam Watson (Glasgow)

**Wednesday 1st June, 2016 16:00-17:00Maths 522**

### On the cubical geometry of the Higman group

Alexandre Martin (University of Vienna)

**Wednesday 1st June, 2016 15:00-16:00Maths 522**

### Alexander invariants for ribbon tangles

Celeste Damiani (University of Caen)

**Wednesday 18th May, 2016 16:00-17:00Maths 522**

### Bridgeland stability conditions and wall-crossing

Chunyi Li (University of Edinburgh)

**Wednesday 11th May, 2016 16:00-17:00Maths 522**

### Prime ideals in virtually nilpotent mod-p Iwasawa algebras

William Woods (University of Oxford)

**Wednesday 4th May, 2016 16:00-17:00Maths 522**

### Bigraphs with sharing and their algebra

Michele Sevegnani (University of Glasgow)

**Wednesday 27th April, 2016 16:00-17:00Maths 522**

### When is a classical space quantum homogeneous?

Ulrich Kraehmer (University of Glasgow)

**Wednesday 23rd March, 2016 16:00-17:00Maths 522**

### Hovels and Hecke algebras

Stephane Gaussent (Université Jean Monnet)

**Wednesday 16th March, 2016 16:00-17:00Maths 522**

### Connected Hopf algebras of finite Gelfand-Kirillov dimension

Paul Gilmartin (University of Glasgow)

**Monday 14th March, 2016 16:00-17:00Maths 522**

### Bordered Floer homology via immersed curves

Jonathan Hanselman (University of Texas at Austin)

**Wednesday 9th March, 2016 16:00-17:00Maths 522**

### Category O and Knizhnik-Zamolodchikov functor for Chrednik algebras of varieties with finite group action

Daniel Thompson (MIT)

**Monday 7th March, 2016 16:00-17:00Maths 522**

### Pseudo-Anosov actions on the complex of curves

Vaibhav Gadre (Glasgow)

**Friday 4th March, 2016 16:00-17:00Lecture Theatre C (Room 507), Boyd Orr Building**

### Singularities of moduli of sheaves on K3 surfaces and formality

Ziyu Zhang (University of Bath)

**Friday 4th March, 2016 15:00-16:00Lecture Theatre C (Room 507), Boyd Orr Building**

### Polytopes and mirror symmetry for Grassmannians

Konstanze Rietsch (King's College, London)

**Friday 4th March, 2016 13:30-14:30Lecture Theatre C (Room 507), Boyd Orr Building**

### Cluster structures from toric degenerations of orbifold del Pezzo surfaces

Thomas Prince (Imperial College)

**Wednesday 2nd March, 2016 16:00-17:00Maths 522**

### Braid groups and quiver mutation

Robert Marsh (University of Leeds)

**Wednesday 24th February, 2016 16:00-17:00Maths 522**

### Quiver Grassmannians and quantized enveloping algebras

Markus Reineke (University of Wuppertal)

**Wednesday 17th February, 2016 16:00-17:00Maths 522**

### Nef divisors and Bridgeland stability

Alastair Craw (University of Bath)

**Monday 15th February, 2016 16:00-17:00Maths 522**

### Zero divisors and units in group algebras

Ken Brown (Glasgow University)

**Wednesday 10th February, 2016 16:00-17:00Maths 522**

### Random walks on mapping class groups

Vaibhav Gadre (University of Glasgow)

**Wednesday 27th January, 2016 16:00-17:00Maths 522**

### A generalised Dixmier-Moeglin equivalence for quantum Schubert cells.

Brendan Nolan (University of Kent)

**Monday 25th January, 2016 16:00-17:00Maths 522**

### On profinite properties of knots and 3-manifolds.

Michel Boileau (Aix-Marseille Université)

**Wednesday 20th January, 2016 16:00-17:00Maths 522**

### Taut foliations on graph manifolds

Liam Watson (University of Glasgow)

**Wednesday 13th January, 2016 16:00-17:00Maths 522**

### Bieberbach groups and C*-rigidity

Stuart White (University of Glasgow)

**Wednesday 2nd December, 2015 16:00-17:00Maths 522**

### The index of the normal closure of a power of a twist in the mapping class group

Charalampos Stylianakis (University of Glasgow)

**Wednesday 25th November, 2015 16:00-17:00Maths 522**

### Fusion systems in algebra and topology

Ellen Henke (University of Aberdeen)

**Wednesday 18th November, 2015 16:00-17:00Maths 522**

### Matrix factorisations: Knörrer’s periodicity and beyond.

Martin Kalck (University of Edinburgh)

**Wednesday 11th November, 2015 16:00-17:00Maths 522**

### Quantum quasi-shuffle algebras and quantum groups

Xin Fang (University of Cologne)

**Wednesday 4th November, 2015 16:00-17:00Maths 522**

### How to think of the good old Brauer algebra?

Michael Ehrig (University of Bonn)

**Wednesday 28th October, 2015 16:00-17:00Maths 522**

### On a question of Bumagin and Wise

Alan Logan

**Wednesday 21st October, 2015 16:00-17:00Maths 522**

### Bend relations, valuations, and universal tropicalization

Jeffrey Giansiracusa (University of Swansea)

**Wednesday 14th October, 2015 16:00-17:00Maths 522**

### Blobs, paths and tiles

Oliver King (University of Leeds)

**Wednesday 7th October, 2015 16:00-17:00Maths 522**

### PBW filtrations for quantum groups

Ghislain Fourier (University of Glasgow)

**Monday 5th October, 2015 15:00-16:00Maths 522**

### Noncommutative bispectral Darboux transformations

Milen Yakimov (Louisiana State University)

**Wednesday 30th September, 2015 16:00-17:00Maths 522**

### Zeta functions of nilpotent groups

Ben Martin (University of Aberdeen)

**Monday 28th September, 2015 16:00-17:00Maths 522**

### Combinatorial models for mapping class groups

Tara Brendle (University of Glasgow)

**Wednesday 23rd September, 2015 16:00-17:00Maths 522**

### The renormalization group, a toy model

Susama Agarwala (University of Oxford )

**Wednesday 15th July, 2015 16:00-17:00Maths 325**

### On a polynomial Alexander invariant for tangles (and its categorification)

Claudius Zibrowius (University of Cambridge)

**Wednesday 17th June, 2015 16:00-17:00Maths 516**

### The affine nilTemperley-Lieb algebra

Joanna Meinel (University of Bonn)

**Thursday 4th June, 2015 16:00-17:00Maths 516**

### Poisson deleting derivations algorithm: Poisson birational equivalence and Poisson spectrum.

Cesar Lecoutre (University of Glasgow)

**Wednesday 27th May, 2015 16:00-17:00Maths 516**

### Smooth noncommutative blowups of dimer algebras and isolated nonnoetherian singularities

Charlie Beil (University of Bristol)

**Wednesday 20th May, 2015 16:00-17:00Maths 516**

### Involutive Heegaard Floer homology and new correction terms

Ciprian Manolescu (University of California, Los Angeles. )

**Wednesday 13th May, 2015 16:00-17:00Maths 516**

### Crossed Modules of Racks

Alissa Crans (MSRI)

**Friday 1st May, 2015 14:30-15:30Maths 416**

### Affine Deligne-Lusztig varieties and the geometry of Euclidean reflection groups

Anne Thomas (University of Glasgow)

**Wednesday 29th April, 2015 16:00-17:00Maths 516**

### From a question of Serre to the Quillen-Wendt conjecture

Alexander D. Rahm (National University of Ireland at Galway )

**Wednesday 22nd April, 2015 16:00-17:00Maths 516**

### Moving cubes around

Dale Rolfsen (University of British Columbia)

**Monday 20th April, 2015 16:00-17:00Maths 204**

### Generalized torsion in knot groups

Dale Rolfsen (University of British Columbia)

**Wednesday 25th March, 2015 16:00-17:00Maths 516**

### The Euler characteristic of an algebra

Tom Leinster (University of Edinburgh)

**Friday 20th March, 2015 13:00-17:00Maths 204**

### An afternoon in low-dimensions, Glasgow

**Wednesday 18th March, 2015 16:00-17:00Maths 516**

### Maximal subalgebras of exceptional Lie algebras over fields of good characteristic.

Alexander Premet (University of Manchester)

**Wednesday 11th March, 2015 16:00-17:00Maths 516**

### Affine Deligne-Lusztig varieties and the geometry of Euclidean reflection groups

Anne Thomas (University of Glasgow)

**Tuesday 10th March, 2015 16:00-17:00Maths 326**

### How many primes are there... roughly?

Tim Trudgian (Australian National University)

**Thursday 5th March, 2015 16:00-17:00Maths 416**

### Some uses of the Frobenius skew polynomial ring in prime-characteristic commutative algebra

Rodney Sharp (University of Sheffield)

**Thursday 5th March, 2015 14:30-15:30Maths 515**

### TBA

Diane Maclagan (University of Warwick)

**Thursday 5th March, 2015 13:00-14:00Maths 203**

### Degree Bounds on Homology and a Conjecture of Derksen.

Peter Symonds (University of Manchester)

**Wednesday 4th March, 2015 16:00-17:00Maths 516**

### Embedding finite groups into algebraic groups

David Craven (University of Birmingham)

**Wednesday 25th February, 2015 16:00-17:00Maths 516**

### On the Dwyer-Kan correspondence

Ulrich Kraehmer (University of Glasgow)

**Wednesday 18th February, 2015 16:00-17:00Maths 516**

### Wise's w-cycle conjecture and homological coherence for one-relator groups

Lars Louder (University College London)

**Wednesday 11th February, 2015 16:00-17:00Maths 516**

### Action operads and invertibility

Nick Gurski (University of Sheffield)

**Wednesday 11th February, 2015 15:00-16:00Maths 516**

### Embedding expanders into groups and applications

Damian Osajda (University of Wroclaw)

**Wednesday 4th February, 2015 16:00-17:00Maths 516**

### Quantum deformations of projective three-space

Brent Pym (University of Oxford)

**Wednesday 28th January, 2015 16:00-17:00Maths 516**

### Quantum symmetric pairs and universal solutions of the reflection equation

Martina Balagovic (University of Newcastle)

**Wednesday 21st January, 2015 16:00-17:00Maths 516**

### On the generic behavior of decomposition morphisms

Ulrich Thiel (University of Stuttgart)

**Monday 19th January, 2015 16:00-17:00Maths 204**

### Counting resolutions of symplectic quotient singularities

Gwyn Bellamy (Glasgow)

**Wednesday 14th January, 2015 16:00-17:00Maths 516**

### Derived localization (joint with J. Chuang and C. Braun)

Andrey Lazarev (University of Lancaster)

**Monday 12th January, 2015 16:00-17:00Maths 204**

### Algebraic models in topology

Constanze Roitzheim (University of Kent)

**Wednesday 10th December, 2014 16:00-17:00Maths 516**

### Quantum deformations of projective three-space

Brent Pym (University of Oxford)

**Monday 8th December, 2014 16:00-17:00Maths 326**

### Topological Data Analysis: Applications to Computer Vision

Vitaliy Kurlin (Durham)

**Wednesday 3rd December, 2014 16:00-17:00Maths 516**

### On Exotic Springer Fibres

Neil Saunders (University of Bristol)

**Wednesday 26th November, 2014 16:00-17:00Maths 516**

### Simplicially controlled Algebra

Spiros Adams-Florou (University of Glasgow)

**Tuesday 25th November, 2014 15:00-16:00Maths 203 **

### Quantum symmetric pairs, the reflection equation, and the beauty of the bar involution

Stefan Kolb (Newcastle University)

**Monday 24th November, 2014 16:00-17:00Maths 326**

### The complex geometry of TeichmÃ¼ller spaces and symmetric domains

Stergios Antonakoudis (Cambridge)

**Wednesday 19th November, 2014 16:00-17:00Maths 516**

### Nielsen realisation for right-angled Artin groups

Dawid Kielak (University of Bonn)

**Wednesday 12th November, 2014 16:00-17:00Maths 516**

### Factorisations of Distributive Laws

Paul Slevin (University of Glasgow)

**Monday 10th November, 2014 16:00-17:00Maths 326**

### Subgraph counting problems

Kitty Meeks (University of Glasgow)

**Wednesday 5th November, 2014 16:00-17:00Maths 516**

### Quiver GIT for Reconstruction Algebras.

Joe Karmazyn (University of Edinburgh)

**Wednesday 29th October, 2014 16:00-17:00Maths 516**

### Dual singularities in exceptional type nilpotent cones

Paul Levy (University of Lancaster)

**Wednesday 22nd October, 2014 16:30-17:30Maths 516**

### Stein fillable manifolds and stably complex homotopy spheres

Diarmuid Crowley (University of Aberdeen)

**Wednesday 22nd October, 2014 15:30-16:30Maths 416**

### Finiteness conditions for graph-wreath products.

Peter Kropholler (University of Southampton)

**Wednesday 15th October, 2014 16:00-17:00Maths 516**

### Euler characteristics of Hilbert schemes of simple surface singularties

Balazs Szendroi (University of Oxford)

**Monday 13th October, 2014 16:00-17:00Maths 326**

### Birational automorphisms of rationally connected varieties

Constantin Shramov (Steklov Institute of Mathematics)

**Wednesday 8th October, 2014 16:00-17:00Maths 516**

### Representation stability and finite linear groups

Andy Putman (Rice University)

**Wednesday 1st October, 2014 16:00-17:00Maths 516**

### Affine degenerate flag varieties and Sato Grassmannians.

Evgeny Feigin

**Wednesday 24th September, 2014 16:00-17:00Maths 516**

### A categorified view of the Alexander invariant.

Liam Watson (University of Glasgow)

**Wednesday 25th June, 2014 16:00-17:00Maths 204**

### The q-Division Ring: Fixed Rings and Automorphisms.

Sian Fryer (University of Manchester)

**Wednesday 4th June, 2014 16:00-17:00Maths 204**

### Weak multiplier bialgebras

Gabriella Bo"hm

**Monday 2nd June, 2014 16:00-17:00Maths 204**

### Representation theory of symplectic singularities

Ben Webster (University of Virginia / Paris 7)

**Wednesday 28th May, 2014 16:00-17:00Maths 204**

### Geometric Schur-Weyl duality

Guillaume Pouchin (University of Edinburgh)

**Thursday 15th May, 2014 16:00-17:00Maths 204**

### Modular Representation Theory and Parity Sheaves

Carl Mautner (MPI Bonn)

**Monday 12th May, 2014 16:00-17:00Maths 204**

### HOMFLY-PT skein module of singular links in the three-sphere

Luis Paris (Institut de Mathematiques de Bourgogne)

**Wednesday 7th May, 2014 16:00-17:00Maths 204**

### Lie superalgebras and categorification.

Antonio Sartori (University of York)

**Monday 5th May, 2014 16:00-17:00Maths 204**

### Augmentation categories of Legendrian submanifolds.

Baptiste Chantraine (University of Nantes)

**Wednesday 30th April, 2014 16:00-17:00Maths 204**

### Cohomology of arithmetic groups over function fields

Kevin Wortman (University of Utah)

**Tuesday 22nd April, 2014 16:40-17:40Maths 204**

### Height extensions of the Temperley--Lieb category

Shona Yu (University of Leeds)

**Wednesday 26th March, 2014 16:40-17:30Maths 204**

### Factoriality for the Zassenhaus variety or how lucky can one be.

Amiram Braun (Haifa University)

**Wednesday 26th March, 2014 15:30-16:30Maths 325**

### Floer cohomology and Platonic Solids

Yanki Lekili (King's College London)

**Tuesday 25th March, 2014 15:00-16:00Maths 326**

### Cluster algebras and Teichmueller theory

Pavel Tumarkin (Durham University)

**Wednesday 19th March, 2014 16:00-17:00Maths 204**

### The codimension 3 conjecture for holonomic DQ-modules

Francois Petit (University of Edinburgh)

**Wednesday 12th March, 2014 16:00-17:00Maths 204**

### Lie-Rinehart algebras, Hopf algebroids with and without an antipode.

Ana Rovi (University of Glasgow)

**Wednesday 5th March, 2014 16:00-17:00Maths 204**

### Palindromic automorphisms of free groups

Neil Fullarton (University of Glasgow)

**Monday 3rd March, 2014 16:00-17:00Maths 204**

### Link invariants from racks

Friedrich Wagemann (University of Nantes)

**Wednesday 26th February, 2014 16:00-17:00Maths 204**

### Congruence subgroups of braid groups

Tara Brendle (University of Glasgow)

**Monday 24th February, 2014 16:00-17:00Maths 204**

### The homotopy theory of Khovanov homology

Brent Everitt (University of York)

**Wednesday 19th February, 2014 16:00-17:00Maths 204**

### The Cohen-Lenstra heuristic revisited; or: what does a random abelian group look like?

Alex Bartel (University of Warwick)

**Wednesday 12th February, 2014 16:00-17:00Maths 204**

### F-thresholds and Test ideals for determinantal ideals

Ines Henriques (University of Sheffield)

**Wednesday 5th February, 2014 16:00-17:00Maths 204**

### Some cluster algebras of infinite rank as direct limits.

Sira Gratz (University of Hannover)

**Monday 3rd February, 2014 16:00-17:00Maths 204**

### Complex structures as homotopy algebras

Joan Milles (University of Toulouse)

**Wednesday 29th January, 2014 16:00-17:00Maths 204**

### Product of trees, quaternions and fake quadrics

Alina Vdovina (University of Newcastle)

**Wednesday 22nd January, 2014 16:00-17:00Maths 204**

### Quantum integrability of the periodic Benjamin-Ono model

Maxim Nazarov (University of York)

**Wednesday 15th January, 2014 16:00-17:00Maths 204**

### Equations over groups

Andreas Thom (Leipzig University)

**Wednesday 11th December, 2013 16:00-17:00Maths 204**

### Poisson and Hochschild cohomology and the semiclassical limit

Matthew Towers (University of Kent)

**Wednesday 4th December, 2013 16:00-17:00Maths 204**

### Cells for Hecke algebras and Calogero-Moser spaces

Iain Gordon (University of Edinburgh)

**Monday 2nd December, 2013 16:00-17:00Maths 204**

### Infinite loop spaces and positive scalar curvature

Oscar Randal-Williams (University of Cambridge)

**Wednesday 27th November, 2013 16:00-17:00Maths 204**

### One dimensional representations of finite W-algebras

Lewis Topley (University of East Anglia)

**Tuesday 26th November, 2013 16:00-17:00Maths 417**

### Arithmetic and congruence links

Alan Reid (University of Texas, Austin)

**Monday 25th November, 2013 16:00-17:00Maths 204**

### String Operations for Orbifolds

Behrang Noohi (Queen Mary University of London)

**Monday 25th November, 2013 16:00-17:00Maths 522**

### TBA

Ellen Henke (University of Aberdeen)

**Monday 25th November, 2013 16:00-17:00Maths 522**

### TBA

Ellen Henke (University of Aberdeen)

**Wednesday 20th November, 2013 16:00-17:00Maths 204**

### Fusion products and symmetric functions

Ghislain Fourier (University of Glasgow)

**Wednesday 13th November, 2013 16:00-17:00Maths 204**

### Subgroups of automorphism groups of partially commutative groups

Andrew Duncan (University of Newcastle)

**Wednesday 6th November, 2013 16:00-17:00Maths 204**

### The strong profinite genus can be infinite

Martin Bridson (University of Oxford)

**Wednesday 6th November, 2013 14:30-15:30Maths 417**

### Testing the curvature of braid groups

Petra Schwer (Muenster University)

**Wednesday 6th November, 2013 13:15-14:15Maths 417**

### On Some Pro-p Groups from Infinite Dimensional Lie theory

Inna Capdeboscq (University of Warwick)

**Wednesday 30th October, 2013 16:00-17:00Maths 204**

### Cycles of Algebraic D-modules in positive characteristic

Chris Dodd (University of Toronto)

**Wednesday 23rd October, 2013 16:00-17:00Maths 204**

### Heegaard Floer homology solid tori

Liam Watson (University of Glasgow)

**Wednesday 16th October, 2013 16:00-17:00Maths 204**

### Tannaka duality for dg categories.

Jonathan Pridham (University of Edinburgh)

**Tuesday 15th October, 2013 15:00-16:00Maths 515**

### Cluster algebras, planar networks, and integrability of generalized pentagram maps

Michael Shapiro (Michigan State University)

**Wednesday 9th October, 2013 16:00-17:00Maths 204**

### Chains of Prime Ideals: Finite and Infinite

Be'eri Greenfeld (Bar-Ilan University )

**Wednesday 2nd October, 2013 16:00-17:00Maths 204**

### Quantum differential operators, and the torus T2

David Jordan (University of Edinburgh)

**Tuesday 1st October, 2013 15:00-16:00Maths 203**

### Rational Cherednik algebras and the Calogero-Moser space

Gwyn Bellamy (University of Glasgow)

**Wednesday 25th September, 2013 16:00-17:00Maths 204**

### Cocompact lattices in locally compact Kac-Moody groups

Anne Thomas (University of Glasgow)

**Thursday 5th September, 2013 16:00-17:00Maths 516**

### Automorphisms of generalised polygons

James Parkinson (University of Sydney)

**Wednesday 28th August, 2013 16:00-17:00Maths 516**

### On rigid sheaves on the projective n-space

Dan Zacharia (Syracuse University)

**Wednesday 10th July, 2013 16:00-17:00Maths 516**

### Heavy cycles in weighted graphs and heterochromatic cycles in colored graphs

Shenggui Zhang (Northwestern Polytechnical University, China)

**Wednesday 29th May, 2013 16:00-17:00204**

### Noncommutative unipotent groups

Ken Brown (U Glasgow)

**Wednesday 22nd May, 2013 16:00-17:00204**

### Metabelian Groups and the Bieri-Groves Conjecture

Joseph Mullaney (U Glasgow)

**Wednesday 15th May, 2013 16:00-17:00204**

### Homotopy BV algebras in Poisson geometry

Christopher Braun (City University London)

**Wednesday 8th May, 2013 16:00-17:00204**

### Braid groups and quiver mutation

Joseph Grant (U Leeds)

**Wednesday 1st May, 2013 16:00-17:00204**

### Gerstenhaber and BV-algebras, Hochschild and Hopf cyclic cohomology

Luc Menichi (U Angers)

**Wednesday 24th April, 2013 16:00-17:00204**

### Conjugacy in Cremona Groups and the alpha-invariant of Tian

Andrew Wilson (U Glasgow)

**Wednesday 13th March, 2013 16:00-17:00204**

### Hochschild homology of Hopf algebras and free Yetter-Drinfeld modules

Julien Bichon (U Clermont-Ferrand)

**Wednesday 6th March, 2013 16:00-17:00204**

### Distribution of prime ideals and the space of adele classes

Sergey Neshveyev (U Oslo)

**Wednesday 27th February, 2013 16:00-17:00204**

### On spectral measures in semidirect products and the decidability of the zero divisor problem

Łukasz Grabowski (U Oxford)

**Wednesday 20th February, 2013 16:00-17:00204**

### Cactus products

James Griffin (U Glasgow)

**Wednesday 13th February, 2013 16:00-17:00204**

### Multiple Conjugacy Search Problem in Limit Groups

Zoe O'Connor (Herriot-Watt)

**Wednesday 6th February, 2013 16:00-17:00204**

### Quantum homogeneous spaces

Pawel Kasprzak (U Warsaw)

**Wednesday 30th January, 2013 16:00-17:00204**

### Almost Calabi-Yau algebras associated to SU(3) modular invariants

Mathew Pugh (U Cardiff)

**Wednesday 23rd January, 2013 16:00-17:00204**

### Generators for the kernel of the integral Burau representation

Tara Brendle (U Glasgow)

**Wednesday 16th January, 2013 16:00-17:00516**

### A Kohno-Drinfeld theorem for cyclotomic KZ connections

Adrien Brochier (U Edinburgh)

**Wednesday 9th January, 2013 16:00-17:00516**

### Tannaka-Krein duality of quantum homogeneous spaces

Makoto Yamashita (U Ochanomizu)

**Wednesday 28th November, 2012 16:00-17:00516**

### On the Dolbeault-Dirac operator of a quantised Hermitian symmetric space

Uli Kraehmer (U Glasgow)

**Wednesday 21st November, 2012 16:00-17:00204**

### Cohomology Theories for Lie groups

Christoph Wockel (U Hamburg)

**Wednesday 14th November, 2012 16:00-17:00516**

### Brauer graph algebras, Coverings and Ext algebras

Nicole Snashall (U Leicester)

**Wednesday 7th November, 2012 16:00-17:00516**

### Platonic polygonal complexes

Ian Leary (U Southampton)

**Tuesday 6th November, 2012 15:00-16:00Maths 325**

### Quantum groups and quantum cohomology

Vassily Gorbounov (University of Aberdeen)

**Wednesday 31st October, 2012 16:00-17:00516**

### The second bounded cohomology of groups acting on CAT(0) cube complexes

Indira Chatterji (U Orleans)

**Wednesday 24th October, 2012 16:00-17:00516**

### Not another talk about corings

Tomasz Brzezinski (U Swansea)

**Tuesday 23rd October, 2012 15:00-16:00Maths 325**

### Geometric RSK correspondence and Whittaker functions

Neil O'Connell (University of Warwick)

**Wednesday 17th October, 2012 16:00-17:00516**

### A homotopy theoretic approach to fusion systems: p-local group theory

Ran Levi (U Aberdeen)

**Wednesday 10th October, 2012 16:00-17:00516**

### Untwisting a twisted Calabi-Yau algebra

Jake Goodman (U Glasgow)

**Wednesday 3rd October, 2012 16:00-17:00516**

### Splitting theorems for soluble groups and homological dimension

Peter Kropholler (U Glasgow)

**Wednesday 26th September, 2012 16:00-17:00516**

### Quantum Hamiltonian Reduction

Gwyn Bellamy (U Glasgow)

**Friday 29th June, 2012 15:00-16:00204**

### Chen ranks and resonance

Dan Cohen (Louisiana State University)

**Wednesday 6th June, 2012 16:00-17:00204**

### Garside groups

Stephen Tawn (U Western Sydney)

**Wednesday 6th June, 2012 14:30-15:30204**

### On the automorphisms of two-generated groups

Alan Logan (U Glasgow)

**Wednesday 30th May, 2012 16:00-17:00204**

### Invariant theory of finite groups

Fawad Hussain (U Glasgow)

**Wednesday 23rd May, 2012 16:00-17:00204**

### Ore-extension Hopf algebras

Steven O'Hagan (U Glasgow)

**Wednesday 2nd May, 2012 16:00-17:00204**

### Geometry of generalised Pimsner-Voiculescu extensions

Jacek Brodzki (U Southampton)

**Wednesday 25th April, 2012 16:00-17:00204**

### Spectral triples and equicontinuous actions on C*-algebras

Andrew Hawkins (U Nottingham)

**Wednesday 18th April, 2012 16:00-17:00204**

### The additivity and multiplicativity of fixed-point invariants

Mike Shulman (UC San Diego)

**Wednesday 14th March, 2012 16:00-17:00204**

### Everyone knows what a Batalin-Vilkovisky algebra is

Uli Kraehmer (U Glasgow)

**Wednesday 29th February, 2012 16:00-17:00204**

### TBA

Toby Stafford (U Manchester)

**Wednesday 22nd February, 2012 16:00-17:00204**

### Braid group actions on coideal subalgebras of quantum groups

Stefan Kolb

**Wednesday 15th February, 2012 16:00-17:00204**

### Algebras all of whose subalgebras are noetherian

Sue Sierra (U Edinburgh)

**Wednesday 8th February, 2012 16:00-17:00204**

### Group presentations for which the generators weigh more than the relators

Peter Kropholler (U Glasgow)

**Wednesday 1st February, 2012 16:00-17:00204**

### Automorphisms of right-angled Artin groups

Ruth Charney (Brandeis)

**Wednesday 25th January, 2012 16:00-17:00204**

### Higgs algebras of weighted projective lines and loop crystals

Guillaume Pouchin (U Edinburgh)

**Wednesday 18th January, 2012 16:00-17:00204**

### Frobenius Green functors

Andy Baker (U Glasgow)

**Wednesday 11th January, 2012 16:00-17:00204**

### Quantum Bundles and Noncommutative Complex Geometry

Re O'Buachalla (QM London)

**Wednesday 7th December, 2011 16:00-17:00204**

### Simple loop conjecture for limit groups

Larsen Louder (U Oxford)

**Wednesday 30th November, 2011 16:00-17:00204**

### Quantizing cluster algebras associated to coordinate rings

Jan Grabowski (U Lancaster)

**Wednesday 23rd November, 2011 16:00-17:00204**

### The noncommutative geometry of a singular symplectic manifold

Christian Blohmann (MPI Bonn)

**Wednesday 16th November, 2011 16:00-17:00204**

### Higher Grothendieck-Witt groups and the structure of projective modules

Marco Schlichting (U warwick)

**Wednesday 9th November, 2011 16:00-17:00204**

### Two-dimensional category theory and Deligne's tensor product of abelian categories

Ignacio Lopez Franco (U Cambridge)

**Wednesday 2nd November, 2011 16:00-17:00204**

### Decison problems in Thompson's groups F, T and V

Nathan Baker (UC London)

**Wednesday 26th October, 2011 16:00-17:00204**

### Primitive ideals in completed enveloping algebras

Simon Wadsley (U Cambridge)

**Wednesday 19th October, 2011 16:00-17:00204**

### Fusion and Amalgams

Geoffrey Robinson (U Aberdeen)

**Wednesday 12th October, 2011 16:00-17:00204**

### Noetherian Hopf Algebras: some speculations on noncommutative soluble groups

Ken Brown (U Glasgow)

**Wednesday 5th October, 2011 16:00-17:00204**

### The Topology of Randomness

Alex Simpson (U edinburgh)

**Wednesday 28th September, 2011 00:00-01:00**

### TBA

Astrid an Huef (U Otago)

**Wednesday 25th May, 2011 16:00-17:00204**

### Representation theory of finite W-algebras associated to classical Lie algebras.

Simon Goodwin (U Birmingham)

**Wednesday 18th May, 2011 16:00-17:00204**

### Commutative and Noncommutative Positivstellensaetze

Konrad Schmuedgen (U Leipzig)

**Wednesday 11th May, 2011 16:00-17:00204**

### TBA

Dmitriy Rumynin (U Warwick)

**Wednesday 4th May, 2011 16:00-17:00204**

### The Klein-Podles bottle as a nontrivial bundle over quantum real projective space RPq(2)

Piotr M. Hajac (U Warsaw)

**Wednesday 27th April, 2011 16:00-17:00204**

### Techniques in the theory of cyclically presented groups

Gerald Williams (U Essex)

**Wednesday 20th April, 2011 16:00-17:00204**

### Calabi-Yau, Batalin-Vilkovisky, and all that

Uli Kraehmer (U Glasgow)

**Wednesday 23rd March, 2011 16:00-17:00204**

### Nominal techniques: a success story of the continued relevance of mathematical foundations to computer science

Jamie Gabbay (Heriot Watt)

**Wednesday 16th March, 2011 16:00-17:00204**

### Applications of tropical geometry to the cohomology of metabelian groups

Peter Kropholler (U Glasgow)

**Wednesday 9th March, 2011 16:00-17:00204**

### Free groups, Kazhdan groups and algebras with no tensor factorisation

Simon Wassermann (U Glasgow)

**Wednesday 2nd March, 2011 16:00-17:00204**

### Actions of higher-rank lattices on right-angled Artin groups

Richard Wade (U Oxford)

**Wednesday 23rd February, 2011 16:00-17:00204**

### Generating toric noncommuative crepant resolutions

Raf Bocklandt (U Newcastle)

**Wednesday 16th February, 2011 14:00-15:00TBA**

### Cyclic homology and graph homology

Andrey Lazarev (U Leicester)

**Wednesday 9th February, 2011 16:00-17:00204**

### Topology and dynamics of the outer automorphism group of a free group

Alexandra Pettet (U Oxford)

**Wednesday 2nd February, 2011 16:00-17:00204**

### Free subgroups in groups with few relations

John S. Wilson (U Oxford)

**Wednesday 26th January, 2011 16:00-17:00204**

### Universal diagram groups with identical Poincare series

Steve Pride (U Glasgow)

**Wednesday 19th January, 2011 16:00-17:00204**

### Maximal Modification Algebras

Michael Wemyss (U Edinburgh)

**Wednesday 12th January, 2011 16:00-17:00204**

### R-module Thom spectra

Samik Basu (U Copenhagen)

**Wednesday 15th December, 2010 16:00-17:00204**

### The local index formula in noncommutative geometry

Adam Rennie (ANU Canberra)

**Wednesday 8th December, 2010 16:00-17:00204**

### The concept of p-deficiency and its applications

Anitha Thillaisunda (U Cambridge)

**Wednesday 1st December, 2010 16:00-17:00204**

### Homomorphisms from Fourier Algebras

Matt Daws (U Leeds)

**Wednesday 24th November, 2010 16:00-17:00204**

### Instantons on noncommutative toric varieties

Richard Szabo (Heriot-Watt Edinburgh)

**Wednesday 17th November, 2010 16:00-17:00204**

### Toric Poisson Ideals in Cluster Algebras

Sebastian Zwicknagel (U Bonn)

**Wednesday 10th November, 2010 16:00-17:00204**

### From periodic quiver mutation to cyclically quantized Weyl algebras

David A. Jordan (U Sheffield)

**Wednesday 3rd November, 2010 16:00-17:00204**

### A Groupoid Approach to Quantization

Eli Hawkins (U York)

**Wednesday 27th October, 2010 16:00-17:00204**

### Hopf algebras, tetramodules, and n-fold monoidal categories

Boris Shoikhet (U Luxembourg)

**Wednesday 20th October, 2010 16:00-17:00204**

### Algebroids and Assembly

Paul David Mitchener (U Sheffield)

**Wednesday 13th October, 2010 16:00-17:00204**

### A version of continous cohomology for certain Hopf algebroids

Andy Baker (U Glasgow)

**Wednesday 6th October, 2010 16:00-17:00204**

### C*-algebras of minimal dynamical systems and Z-stable classification

Karen Strung (U Nottingham)

**Wednesday 29th September, 2010 16:00-17:00204**

### The ideal theory of Leavitt path algebras

Kulumani Rangaswamy (U Colorado)

**Wednesday 22nd September, 2010 16:00-17:00204**

### Birman exact sequences for hyperelliptic mapping class groups

Tara Brendle (U Glasgow)

**Wednesday 30th June, 2010 16:00-17:00204**

### Limits of groups

Alexei Miasnikov (Stevens Institute and McGill University)

**Wednesday 2nd June, 2010 16:00-17:00204**

### Injections of mapping class groups

Javier Aramayona (U Ireland @ Galway )

**Wednesday 26th May, 2010 16:00-17:00204**

### Composing theories using distributive laws

Andrei Akhvlediani (Oxford)

**Wednesday 26th May, 2010 16:00-17:00204**

### Free and non-free actions, maximal abelian subalgebras and ideals in crossed-product algebras and generalisations

Sergei Silvestrov (U Lund)

**Wednesday 19th May, 2010 16:00-17:00204**

### Symmetric algebras of radical cube zero and Chebyshev polynomials

Sibylle Schroll (U Leicester)

**Wednesday 12th May, 2010 16:00-17:00204**

### Analogues of Self-Distributivity

Alissa Crans (Loyola Marymount University)

**Wednesday 5th May, 2010 16:00-17:00204**

### On the ubiquity of AS Gorenstein rings

Kenny Brown (U Glasgow)

**Wednesday 28th April, 2010 16:00-17:00Mathematics Building, room 204**

### Exceptional Lie and Finite Groups in Vertex Operator Algebras

Michael Tuite (University of Galway)

**Wednesday 21st April, 2010 16:00-17:00204**

### Rethinking set theory

Tom Leinster (U Glasgow)

**Wednesday 24th March, 2010 16:00-17:00204**

### A reductive monoid and the walled Brauer algebra

Rudolf Tange (U York)

**Wednesday 17th March, 2010 16:00-17:00204**

### Induction. Reimagined. Fibrationally

Neil Ghani (U Strathclyde)

**Wednesday 10th March, 2010 16:00-17:00204**

### The Character of the Weil Representation

Joaquin Teruji Thomas (U Edinburgh)

**Wednesday 3rd March, 2010 16:00-17:00204**

### Classification of coideal subalgebras for quantum groups

Stefan Kolb (U Amsterdam)

**Wednesday 24th February, 2010 16:00-17:00204**

### Rouquier families for Hecke algebras

Maria Chlouveraki (U Edinburgh)

**Wednesday 17th February, 2010 16:00-17:00204**

### Cayley graph expanders, pro-p-groups and buildings

Alina Vdovina (U Newcastle)

**Wednesday 10th February, 2010 16:00-17:00204**

### Unitary representations of rational Cherednik algebras

Stephen Griffeth (U Edinburgh)

**Wednesday 3rd February, 2010 16:00-17:00204**

### Some perspectives on inverse semigroups

Mark Lawson (Heriot-Watt)

**Wednesday 27th January, 2010 16:00-17:00204**

### Groups acting on semimetric spaces and quasi-isometries of monoids

Mark Kambites (University of Manchester)

**Wednesday 20th January, 2010 16:00-17:00Mathematics Building, Room 204**

### Ambiskew Hopf algebras

Monica MacAuley (University of Glasgow)

**Wednesday 13th January, 2010 16:00-17:00Mathematics Building, Room 204**

### Noncommutative Koszul algebras from combinatorial topology

Christopher Phan (University of Glasgow)

**Wednesday 9th December, 2009 16:00-17:00Mathematics Building, Room 204**

### Products and dualities in algebraic (co)homology theories

Uli Kraehmer (University of Glasgow)

**Wednesday 2nd December, 2009 16:00-17:00Mathematics Building, Room 204**

### Noncommutative Cohen-Macaulay

Marjory Macleod (University of Glasgow)

**Wednesday 25th November, 2009 16:30-17:30Mathematics Building, Room 516**

### The 'size' of a finitely generated group: quantitative and qualitative aspects

Jack Button (Cambridge University)

**Wednesday 25th November, 2009 15:00-16:00Mathematics Building, Room 516**

### Amenability, cohomology and property A

Graham Niblo (University of Southampton)

**Wednesday 25th November, 2009 14:00-15:00Mathematics Building, Room 516**

### Proper actions on classifying spaces

Peter Kropholler (University of Glasgow)

**Wednesday 18th November, 2009 16:00-17:00Mathematics Building, Room 204**

### Splittings over Poincare duality groups and the Almost Stability Theorem

John Walker (Glasgow University)

**Monday 16th November, 2009 16:00-17:00Mathematics Building, room 204**

### Hochschild cohomology and non-commutative deformations

Wendy Lowen (Universiteit Antwerpen)

**Wednesday 11th November, 2009 16:00-17:00Mathematics Building, Room 204**

### Amenability for groups and quantum groups

David Kyed (Goettingen)

**Wednesday 4th November, 2009 16:00-17:00Mathematics Building, Room 204**

### Quantum differentials on U_q(g) and q-fuzzy spheres

Shahn Majid (Queen Mary)

**Wednesday 28th October, 2009 16:00-17:00Mathematics Building, Room 204**

### From total positivity to quantum algebras

Stephane Launois (University of Kent)

**Wednesday 21st October, 2009 16:00-17:00Mathematics Building, Room 204**

### Clusters in type A infinity

Peter Jorgensen (Newcastle University)

**Wednesday 14th October, 2009 16:00-17:00Mathematics Building, Room 204**

### Netting the Monster

Simon Norton (Cambridge University)

**Monday 12th October, 2009 16:00-17:00Mathematics Building, room 204**

### Maps from Out(F_n) to Out(F_m)

Karen Vogtmann (Cornell University)

**Wednesday 7th October, 2009 16:00-17:00Mathematics Building, Room 204**

### The Cyclic Theory of Hopf Algebroids

Niels Kowalzig (University of Amsterdam)

**Wednesday 30th September, 2009 16:00-17:00Mathematics Building, Room 204**

### Growth of Generating Sets of Direct Products

Nik Ruskuc (St. Andrews)

**Wednesday 23rd September, 2009 16:00-17:00Mathematics Building, Room 204**

### A free fermion formulation of the (small) quantum cohomology ring

Christian Korff (Glasgow University)

**Wednesday 12th August, 2009 16:00-17:00204 Mathematics**

### On the class groups of quadratic function fields

Andreas Schweizer (National Center for Theoretical Sciences, National)

**Wednesday 3rd June, 2009 16:00-17:00Room 204, Mathematics**

### Primitivity of twisted homogeneous coordinate rings

Susan Sierra (University of Washington)

**Wednesday 27th May, 2009 16:00-17:00Mathematics Building, Room 204**

### Monodromy, twisting cochains and cyclic Chern character after Bismut, Getzler and others

Georgy Sharygin (Institute for Theoretical and Experimental Physics)

**Wednesday 20th May, 2009 16:00-17:00Mathematics Building, Room 204**

### Painlev\'e equations and families of irregular connections.

Marius van der Put (University of Groningen)

**Wednesday 13th May, 2009 16:00-17:00Mathematics Building, Room 204**

### Noncommutative Dunkl operators

Yuri Bazlov (University of Warwick)

**Wednesday 6th May, 2009 16:00-17:00Mathematics Building, Room 204**

### Morita equivalence revisited

Paul Baum (Pennsylvania State University)

**Wednesday 29th April, 2009 16:00-17:00Mathematics Building, Room 204**

### Totally positive matrices

Tom Lenagan (University of Edinburgh)

**Wednesday 25th March, 2009 16:00-17:00Mathematics Building, room 214**

### Relative presentations and cyclically presented groups

Martin Edjvet (University of Nottingham)

**Wednesday 18th March, 2009 16:00-17:00Mathematics Building, room 214**

### Separating twists and the Magnus representation

Aaron Pixton (Cambridge University / Princeton University)

**Wednesday 11th March, 2009 16:00-17:00Mathematics Building, room 214**

### Introduction to staggered sheaves

Pramod Achar (Louisiana State/Newton Institute)

**Wednesday 11th March, 2009 14:00-15:00Mathematics Building, room 326**

### Super-exponential 2-dimensional Dehn functions

Pallavi Dani (Louisiana State/Emory University)

**Wednesday 4th March, 2009 16:00-17:00Mathematics Building, room 214**

### The braid group of Z^n

Daan Krammer (Warwick University)

**Wednesday 25th February, 2009 16:00-17:00Mathematics Building, room 214**

### Asymptotically CAT(0) Groups

Aditi Kar (Southampton)

**Monday 16th February, 2009 16:00-17:00Mathematics Building, room 204**

### Infinite Smith groups and Kropholler's hierarchy

Ian Leary (Ohio State University)

**Wednesday 11th February, 2009 16:00-17:00Mathematics Building, room 214**

### L-complete Hopf algebroids

Andy Baker (Glasgow)

**Wednesday 4th February, 2009 16:00-17:00Mathematics Building, room 214**

### Group actions on polynomial rings

Peter Symonds (University of Manchester)

**Wednesday 28th January, 2009 16:00-17:00Mathematics Building, room 214**

### Noncommutative algebras and variation of GIT

Iain Gordon (University of Edinburgh)

**Monday 26th January, 2009 16:10-17:10Mathematics Building, room 214**

### Generalized conjugacy problem for virtually free groups

Pedro V. Silva (University of Porto)

**Monday 26th January, 2009 15:00-16:00Mathematics Building, room 203**

### Applications of representation theory of finite semigroups

Jorge Almeida (University of Porto)

**Wednesday 21st January, 2009 16:00-17:00Mathematics Building, room 214**

### Final Coalgebras in Accessible Categories

Jiri Velebil (Czech Technical University)

**Wednesday 14th January, 2009 16:00-17:00Mathematics Building, room 214**

### Small infinite noncommutative groups

Ken Brown (Glasgow University)

**Wednesday 7th January, 2009 16:00-17:00Mathematics Building, room 214**

### Monoids and Groups of $I$-type and their Algebras.

Eric Jespers (Vrije Universiteit Brussel)

**Wednesday 3rd December, 2008 16:00-17:00Mathematics Building, room 214**

### Cofinite hopficity and free-by-infinite cyclic groups

Jonathan Hillman

**Wednesday 26th November, 2008 16:00-17:00Mathematics Building, room 214**

### Representations of rational Cherednik algebras and quantum integrable systems

Misha Feigin (Glasgow University)

**Wednesday 19th November, 2008 16:00-17:00214**

### Dual spanning trees in planar graphs, and "filling invariants" for finitely presented groups

Tim Riley (Bristol)

**Wednesday 19th November, 2008 14:00-15:00Mathematics Building, room 326**

### Z * (Z^2) does not embed in Thompson's group V

Collin Bleak (University of Nebraska - Lincoln)

**Wednesday 19th November, 2008 13:00-14:00Mathematics Department, Rm 214A**

### Finite derivation type (FDT) for monoids

Collin Bleak (University of Nebraska - Lincoln)

**Wednesday 12th November, 2008 16:00-17:00214**

### Freeness of Quasi-Hopf Algebras over Coideal Subalgebras

Hannah Henker (Munich)

**Wednesday 5th November, 2008 16:00-17:00214**

### Parking functions and tridendriform bialgebra structures

Emily Burgunder (Warsaw)

**Wednesday 29th October, 2008 16:00-17:00214**

### Soluble groups with proper cocompact classifying spaces

Peter Kropholler (Glasgow)

**Wednesday 22nd October, 2008 16:00-17:00214**

### Algebraic model categories and applications

Constanze Roizheim (Glasgow)

**Wednesday 22nd October, 2008 14:00-15:00Mathematics Building, Rm 516**

### Some special cases of Moore's conjecture on projective modules and finite index subgroups

Ehud Meir (Technion)

**Wednesday 15th October, 2008 16:00-17:00214**

### Lattices in automorphism groups of right-angled buildings

Anne Thomas (Cornell)

**Wednesday 8th October, 2008 16:00-17:00214**

### Modular representations of Hecke algebras and groups of Lie type

Meinolf Geck (Aberdeen)

**Wednesday 8th October, 2008 14:00-15:00326**

### Center,semi-center, polynomial invariants and semi-invariants for enveloping algebra in prime characteristic.

Amiraun Braun (Haifa)

**Wednesday 1st October, 2008 16:00-17:00214**

### Polygonal combinatorics for algebraic cycles

Herbert Gangl (Durham)

**Wednesday 24th September, 2008 16:00-17:00214**

### Ring groups and wickets

Tara Brendle (Glasgow)

**Wednesday 25th June, 2008 16:00-17:00214**

### Pursuing the Farrell-Jones conjecture

Frank Quinn (Virginia Tech)

**Wednesday 18th June, 2008 16:00-17:00214**

### How to solve Diophantine equations of the form f(x)=g(y)

Sury (Bangalore)

**Wednesday 28th May, 2008 16:00-17:00214**

### Poisson (co)homology of truncated polynomial algebras in two variables

Lionel Richard (Edinburgh)

**Wednesday 21st May, 2008 16:00-17:00214**

### Quantum algebras associated to quivers and reflection functors

Nicolas Guay (Edinburgh)

**Wednesday 14th May, 2008 16:00-17:00214**

### On the Hochschild (co)homology of quantum homogeneous spaces

Ulrich Kraehmer (Glasgow)

**Wednesday 7th May, 2008 16:00-17:00214**

### Finitely presentable residually free groups

Jim Howie (Heriot-Watt)

**Wednesday 30th April, 2008 16:00-17:00214**

### Kostant's problem - II

Johan Kaahrstroem (Uppsala)

**Wednesday 23rd April, 2008 16:00-17:00214**

### The Jacobian algebras

Vladimir Bavula (Sheffield)

**Wednesday 16th April, 2008 16:00-17:00214**

### More or less than Dehn

Sarah Rees (Newcastle)

**Wednesday 9th April, 2008 16:00-17:00214**

### On finitely generated algebras with quadratic growth

Agata Smoktunowicz (Edinburgh)

**Wednesday 12th March, 2008 16:00-17:00214**

### Towards an analogue of the Baum-Connes conjecture for quantum groups

Christian Voigt (Muenster)

**Wednesday 5th March, 2008 16:00-17:00214**

### Subgroups of negatively curved groups

Andreas Thom (Goettingen)

**Wednesday 27th February, 2008 16:00-17:00214**

### New examples of groups with restricted actions on finite dimensional spaces

Peter Kropholler (Glasgow)

**Wednesday 20th February, 2008 16:00-17:00214**

### Contramodules

Tomasz Brzezinski (Swansea)

**Wednesday 13th February, 2008 16:00-17:00214**

### Affine Hecke algebras, Langlands duality and geometric structure

Roger Plymen (Manchester)

**Monday 11th February, 2008 16:00-17:00214**

### Noncommutative correspondences and Galois-Tannaka reconstruction

Tomasz Maszczyk (Warsaw)

**Wednesday 6th February, 2008 16:00-17:00214**

### Kostant's problem - I

Walter Mazorchuk (Glasgow)

**Wednesday 30th January, 2008 16:00-17:00214**

### New results on intermediate subgroups related to Aschbacher classes

Nikolai Vavilov (Belfast and St. Petersburg)

**Wednesday 23rd January, 2008 16:00-17:00Mathematics Building, room 214**

### Parking functions and vertex operators

Vladimir Dotsenko's (University of Dublin)

**Wednesday 16th January, 2008 16:00-17:00Mathematics Building, room 214**

### Representations of rational Cherednik algebras

Gwyn Bellamy (U Edinburgh)

**Wednesday 9th January, 2008 16:00-17:00Mathematics Building, room 214**

### Finiteness Conditions in Group Cohomology

Martin Hamilton