# Geometry and Topology Seminar

Showing all archived events in this series.

**Monday 3rd October 16:00-17:00Maths 311B**

### 4-manifolds with infinite cyclic fundamental group

Mark Powell (University of Glasgow)

**Monday 26th September 16:00-17:00Maths 311B**

### Kontsevich-Zorich monodromy groups of translation covers of some platonic solids

Anthony Sanchez (University of California San Diego)

**Monday 13th June 16:00-17:00Maths 311B + Online**

### Configuration Spaces of Surfaces and the Mapping Class group

Andreas Stavrou (University of Cambridge)

**Monday 6th June 16:00-17:00Maths 311B + Online**

### Homological representations of motion groups

Martin Palmer (Mathematical Institute of the Romanian Academy)

**Monday 23rd May 16:00-17:00Online**

### Surface braid groups and the splitting problem of the mixed braid groups of the projective plane

Stavroula Makri (Université de Caen)

**Monday 16th May 16:00-17:00Maths 110B + Online**

### Symplectomorphisms of some Weinstein manifolds

Ailsa Keating (University of Cambridge)

**Monday 9th May 16:00-17:00Maths 110B + Online**

### Geometry of random Heegaard splittings

Alessandro Sisto (Heriot-Watt University)

**Monday 28th March 16:00-17:00Online**

### Smooth 4-manifolds viewed as sequences of three dimensional handlebodies.

Gabriel Islambouli (University of California)

**Monday 21st March 16:00-17:00Maths 110B (speaker in person!) + Online **

### Infinite type surfaces and their homeomorphic subsurfaces

Alan McLeay (Université du Luxembourg)

**Monday 14th March 16:00-17:00Online + Maths 110B**

### Virtual Artin groups

Paolo Bellingeri (Université de Caen Normandie)

**Monday 7th March 16:00-17:00Online + Maths 110B**

### Mirzakhani’s twist torus conjecture

Aaron Calderon (Yale University)

**Monday 28th February 16:00-17:00Online + Maths 110**

### Multisecting smooth manifolds

Delphine Moussard (Institut de Mathématiques de Marseille)

**Monday 21st February 16:00-17:00Online**

### Lower central series of partitioned braids on surfaces

Jacques Darné (UCLouvain)

**Monday 14th February 16:00-17:00Online + Maths 110**

### Classification of tight contact structures on some seifert fibres manifolds with 4 exceptional fibers

Tanushree Shah (University of Glasgow)

**Monday 7th February 16:00-17:00Online + Maths 110**

### On Braids and the Noncommutative Galois Theory of Algebra over Stable Homotopy

Jonathan Beardsley (University of Nevada)

**Monday 31st January 16:00-17:00Online + Maths 110B**

### Loop braid groups and a generalisation of Hecke algebras

Celeste Damiani (Queen Mary University of London)

**Monday 24th January 16:00-17:00Maths 311B - Online**

### A brief tour of bordism theory

Andrew Baker (University of Glasgow)

**Monday 17th January 16:00-17:00Online + Maths 311B**

### Dynamics and topology of absolute period foliations

Karl Winsor (Harvard University)

**Monday 6th December, 2021 16:00-17:00Online**

### From Simplicial Homotopy Theory to Higher categories

Simona Paoli (University of Aberdeen)

**Monday 29th November, 2021 16:00-17:00Online**

### Linear progress in fibres

Vaibhav Gadre (University of Glasgow)

**Monday 22nd November, 2021 16:00-17:00Online**

### The motivic Lambda algebra and some applications

Dominic Culver (MPIM Bonn)

**Monday 15th November, 2021 16:00-17:00Online**

### Diffeomorphism groups of small high-dimensional manifolds

Ryan Budney (University of Victoria)

**Monday 8th November, 2021 16:00-17:00Online**

### Mapping class group actions on configuration spaces and the Johnson filtration

Andrea Bianchi (University of Copenhagen)

**Monday 1st November, 2021 16:00-17:00Online**

### Automorphisms of the fine curve graph

Yvon Verberne (Georgia Institute of Technology)

**Monday 25th October, 2021 16:00-17:00Online**

### Rognes' connectivity conjecture and the Koszul dual of Steinberg

Peter Patzt (University of Oklahoma)

**Monday 18th October, 2021 16:00-17:00Online**

### Non-positive Stein-fillable open books of genus one

Vitalijs Brejevs (University of Glasgow)

**Monday 11th October, 2021 16:00-17:00Online**

### Satellite operators and knot concordance

Allison Miller (Swarthmore College)

**Monday 4th October, 2021 16:00-17:00Online**

### Positive integral surgeries on iterated torus knots bounding rational homology balls

Lisa Lokteva (University of Glasgow)

**Monday 7th June, 2021 16:00-17:00Online**

### Markoff Numbers and geodesic lengths

Greg McShane (Institut Fourier)

**Monday 24th May, 2021 16:00-17:00Online**

### Taut foliations, Dehn surgery, and Braid Positivity

Siddhi Krishna (Georgia Tech)

**Monday 17th May, 2021 16:00-17:00Online**

### The topology at infinity of an arithmetic group

Andrew Putman (University of Notre Dame)

**Monday 10th May, 2021 16:00-17:00Online**

### Invariants of generic normal surface singularities

Andras Nemethi (MTA Rényi Institute of Mathematics)

**Monday 29th March, 2021 16:00-17:00Online**

### The horoboundary of the Teichmüller metric

Aitor Azemar (University of Glasgow)

**Monday 22nd March, 2021 16:00-17:00Online**

### Ribbon surfaces for alternating 3-braid closures

Vitalijs Brejevs (University of Glasgow)

**Monday 15th March, 2021 16:00-17:00Online**

### Markoff Numbers and geodesic lengths

Greg McShane (Institut Fourier)

**Monday 8th March, 2021 16:00-17:00Online**

### Homology of configuration spaces: application to quantum topology

Jules Martel (Max Planck Institute, Bonn)

**Monday 1st March, 2021 16:00-17:00Online**

### CANCELLED: Taut foliations and Dehn surgery along positive braid knots.

Siddhi Krishna (Georgia Tech)

**Monday 22nd February, 2021 16:00-17:00Online**

### Twisted homology operations

Calista Bernard (Stanford University & University of Copenhagen)

**Monday 15th February, 2021 16:00-17:00Online**

### K(1)-local symplectic (co-)bordism

Jan Holz (Ruhr-University Bochum)

**Monday 8th February, 2021 16:00-17:00Online**

### Symplectic annular Khovanov homology

Cheuk Yu Mak (University of Edinburgh)

**Monday 1st February, 2021 16:00-17:00Online**

### Homological stability for the Temperley-Lieb algebras

Rachael Boyd (Max Planck Institute, Bonn)

**Monday 25th January, 2021 16:00-17:00Online**

### Knotted Surfaces in 4-manifolds and Distances Between Them

Oliver Singh (Durham University)

**Monday 18th January, 2021 16:00-17:00Online**

### Actions of Homeo and Diffeo groups on manifolds

Lei Chen (Caltech)

**Monday 11th January, 2021 16:00-17:00Online**

### Loday Construction Calculations and Stability

Ayelet Lindenstrauss (Indiana University)

**Monday 14th December, 2020 16:00-17:00Online**

### Knotoids and knotted proteins

Agnese Barbiensi (University of Oxford)

**Monday 7th December, 2020 16:00-17:00Online**

### End periodic homeomorphisms and volumes of mapping tori

Marissa Kawehi Loving (Georgia Tech)

**Monday 30th November, 2020 16:00-17:00Online**

### Alternating links, rational balls, and tilings.

Brendan Owens (University of Glasgow)

**Monday 23rd November, 2020 16:00-17:00Online**

### Geometric finiteness and Veech group extensions of surfaces groups

Spencer Dowdall (Vanderbilt University)

**Monday 16th November, 2020 16:00-17:00Online**

### Surgeries on torus knots, rational balls, and cabling

Kyle Larson (Georgia Tech)

**Monday 9th November, 2020 16:00-17:00Online**

### Coloured Jones and Alexander polynomials unified through Lagrangian intersections in configuration spaces

Cristina Ana Maria Anghel (University of Oxford)

**Monday 2nd November, 2020 16:00-17:00Online**

### Knot invariants from homotopy theory

Danica Kosanovic (Paris XIII)

**Monday 26th October, 2020 16:00-17:00Online**

### Contraction algebras, plumbings and flops

Michael Wemyss (University of Glasgow)

**Monday 19th October, 2020 16:00-17:00Online**

### The mapping class group of connect sums of S^2 x S^1

Tara Brendle (University of Glasgow)

**Monday 12th October, 2020 16:00-17:00Online**

### The Saito determinant for Coxeter discriminant strata

Misha Feigin (University of Glasgow)

**Monday 5th October, 2020 16:00-17:00Online**

### Teichmuller spaces are hyperbolic, well, statistically

Vaibhav Gadre (University of Glasgow)

**Monday 8th June, 2020 16:00-17:00Maths 311B**

### TBA

Agnese Barbensi (Oxford University)

**Monday 1st June, 2020 16:00-17:00Maths 311B**

### TBC

Cristina Anghel (Oxford University)

**Monday 18th May, 2020 16:00-17:00Maths 311B**

### TBC

Ivan Smith (University of Cambridge)

**Monday 27th April, 2020 14:30-16:00Zoom**

### Fun and games with the Steenrod algebra (OATS)

Andy Baker (University of Glasgow)

**Monday 20th April, 2020 17:00-17:30Zoom**

### Cornered Floer homology

Robert Lipshitz (University of Oregon)

**Monday 23rd March, 2020 16:00-17:00Maths 311B**

### Cancelled seminar

Not Martin Palmer (Not the Romanian Academy in Bucharest)

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

### CANCELLED: How (not) to draw the Rauzy gasket.

Not Vaibhav Gadre (University of Glasgow)

**Monday 9th March, 2020 16:00-17:00Maths 311B**

### CANCELLED SEMINAR

Taylor McAdam (University of California, San Diego)

**Monday 2nd March, 2020 16:00-17:00Maths 311B**

### The Grothendieck-Witt theory of quadratic functors

Emanuele Dotto (University of Warwick)

**Monday 24th February, 2020 16:00-17:00Maths 311B**

### No seminar -- Strike

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

### A symplectic topologist trying to understand algebraic K-theory

Yanki Lekili (King's College London)

**Monday 10th February, 2020 16:00-17:00Maths 311B**

### Counting square-tiled surfaces with prescribed real and imaginary foliations

Francisco Arana Herrera (Stanford University)

**Monday 3rd February, 2020 16:00-17:00Maths 311B**

### Recognizing Topological Polynomials by Lifting Trees

Jim Belk (University of St Andrews)

**Monday 27th January, 2020 16:00-17:00Maths 311B**

### Ranks of cubic surfaces

Anna Seigal (Oxford University)

**Monday 20th January, 2020 16:00-17:00Maths 311B**

### From curves to currents

Didac Martinez-Granado (Indiana University)

**Monday 13th January, 2020 16:00-17:00Maths 311B**

### Light bulbs in 4-manifolds

Maggie Miller (Princeton University)

**Monday 9th December, 2019 16:00-17:00Maths 311B**

### Spectral order of contact 3-manifolds

Jeremy Van Horn-Morris (University of Arkansas)

**Monday 2nd December, 2019 16:00-17:00Maths 311B**

### Cancelled seminar

Ivan Smith (University of Cambridge)

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

### The non-commutative geometry of defects

John Barrett (University of Nottingham)

**Monday 25th November, 2019 16:00-17:00Maths 311B**

### Obstructing isotopies between surfaces in four manifolds

Hannah Schwarz (MPI Bonn)

**Monday 18th November, 2019 16:00-17:00Maths 311B**

### Constructing linear representations for families of groups

Arthur Soulié (University of Cambridge)

**Monday 11th November, 2019 16:00-17:00Maths 311B**

### TBC

Milena Herig (University of Edinburgh)

**Monday 4th November, 2019 16:00-17:00Maths 311B**

### Topological quantum field theories for cospan cobordisms

Fiona Torzewska (University of Leeds)

**Monday 28th October, 2019 16:00-17:00Maths 311B**

### Stratified homotopy theory

Clark Barwick (University of Edinburgh)

**Monday 21st October, 2019 16:00-17:00Maths 311B**

### The Steinberg module and level structures for surfaces with marked points

Tara Brendle (University of Glasgow)

**Monday 14th October, 2019 16:00-17:00Maths 311B**

### Symplectic rational homology balls and antiflips

Jonny Evans (University of Lancaster)

**Monday 7th October, 2019 16:00-17:00Maths 311B**

### Proper equivariant stable homotopy theory and geometric group theory

Irakli Patchkoria (Aberdeen)

**Friday 4th October, 2019 13:00-14:00Maths 311B**

### Ozsvath-Szabo’s bordered invariant and three strand pretzel knots.

Daniel Waite (University of Glasgow)

**Monday 23rd September, 2019 16:00-17:00Maths 311B**

### The topological 4-genus of satellite knots.

Juanita Pinzón-Caicedo (University of Notre Dame - MPI)

**Monday 10th June, 2019 16:00-17:00Maths 311B**

### Tropical surgeries in moduli theory and applications

Dhruv Ranganathan (Cambridge)

**Monday 3rd June, 2019 16:00-17:00Maths 311B**

### (Un)distorted stabilisers in the handlebody group

Sebastian Hensel (Munich)

**Monday 13th May, 2019 16:00-17:00Maths 311B**

### Projective twists and the Hopf correspondence

Brunella Torricelli (Cambridge)

**Monday 15th April, 2019 16:00-17:00Maths 311B**

### Decision problems for symmetric Thompson's groups

Julio Aroca (Madrid)

**Monday 1st April, 2019 16:00-17:00Maths 311B**

### Quantitative recurrence and hyperbolicity for the Teichmüller flow.

Ian Frankel (Toronto)

**Monday 18th March, 2019 16:00-17:00Maths 311B**

### Relationships between Heegaard Floer homologies (and quivers)

Thomas Hockenhull (Glasgow)

**Monday 11th March, 2019 16:00-17:00Maths 311B**

### Lengths spectrum of mapping class groups.

Erwan Lanneau (Grenoble)

**Monday 11th March, 2019 15:00-16:00Maths 311B**

### TBA

Alexander Kuznetsov (Steklov)

**Monday 4th March, 2019 16:00-17:00Maths 311B**

### Torus knots and rational homology balls

Ana Lecuona (Glasgow)

**Monday 25th February, 2019 16:00-17:00Maths 311B**

### Log Geometry and the Joy of Desingularisation.

Navid Nabijou (Glasgow)

**Monday 18th February, 2019 16:00-17:00Maths 311B**

### Counting covers and subgroup growth

Bram Petri (Bonn)

**Monday 18th February, 2019 15:00-16:00Maths 311B**

### Curve graphs for infinite-type surfaces

Federica Fanoni (CNRS)

**Monday 11th February, 2019 16:00-17:00Maths 311B**

### The conjugacy problem for mapping class groups

Mark Bell (Independent)

**Monday 11th February, 2019 15:00-16:00Maths 311B**

### Normal generators for mapping class groups are abundant

Justin Lanier (Georgia Tech )

**Monday 4th February, 2019 16:00-17:00Maths 311B**

### Open-closed duality is mirror to the double suspension

Michel van-Garrel (Warwick)

**Monday 21st January, 2019 16:00-17:00Maths 311B**

### Threefold Calabi-Yau pairs

Anne-Sophie Kaloghiros (Brunel)

**Monday 14th January, 2019 16:00-17:00Maths 311B**

### Dimension of bad sets for non-uniform Fuchsian lattices

Luca Marchese (Paris 13)

**Monday 26th November, 2018 16:00-17:00Maths 311B**

### On slice-torus invariants and applications.

Carlo Collari (Firenze)

**Monday 19th November, 2018 16:00-17:00Maths 311B**

### A new phenomenon in Teichmuller dynamics

John Smillie (Warwick)

**Monday 19th November, 2018 15:00-16:00Maths 311B**

### Finite covers of surfaces and simple closed curves

Justin Malestein (Oklokoma)

**Monday 12th November, 2018 16:00-17:00Maths 311B**

### The topology of aperiodic order

Jamie Walton (Glasgow)

**Monday 5th November, 2018 16:00-17:00Maths 311B**

### Hyperbolic surfaces in Minkowski 3-space

Peter Smillie (CalTech)

**Monday 29th October, 2018 16:00-17:00Maths 311B**

### Birational geometry of symplectic quotient singularities

Alastair Craw (Bath)

**Monday 29th October, 2018 15:00-16:00Maths 311B**

### Mapping class groups, covers, and braids

Alan Mcleay (Luxembourg)

**Monday 22nd October, 2018 16:00-17:00Maths 311B**

### Rational cobordisms and integral homology

Paolo Aceto (MPIM)

**Monday 15th October, 2018 16:00-17:00Maths 311B**

### Concordance bounds on the Thurston norm

Daniele Celoria (Oxford)

**Monday 8th October, 2018 16:00-17:00Maths 311B**

### Ubiquity of ratio optimisers

Luke Jeffreys (Glasgow)

**Monday 1st October, 2018 16:00-17:00Maths 311B**

### Local maxima of the systole function

Maxime Fortier-Bourque (Glasgow)

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

### The universal deformation space of hypertoric variety and its applications

Takahiro Nagaoka (Kyoto)

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

### Operads for ring theorists

James Zhang (University of Washington)

**Thursday 14th June, 2018 16:00-17:00Maths 311B**

### Group actions on homology 3-spheres

Ian Hambleton (McMaster University)

**Monday 14th May, 2018 16:00-17:00Maths 311B**

### Presenting vertex-transitive graphs like groups

Alex Wendland (Warwick)

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

### The cohomology of hyperkahler quotients.

Thomas Nevins (UIUC)

**Thursday 26th April, 2018 15:00-16:00Maths 311B**

### An introduction to veering triangulations

Saul Schleimer (Warwick)

**Monday 12th March, 2018 16:00-17:00Maths 311B**

### A geometric approach to Artin groups

Ruth Charney (Brandeis)

**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)

**Monday 5th March, 2018 16:00-17:00Maths 311B**

### Rauzy–Veech groups of flat surfaces

Rodolfo Gutierrez (Paris)

**Monday 19th February, 2018 16:00-17:00Maths 311B**

### Intersection of almost complex manifolds and pseudoholomorphic maps

Weiyi Zhang (Warwick)

**Monday 12th February, 2018 16:00-17:00Maths 311B**

### Word-hyperbolic surface bundles

Christopher Leininger (Illinois)

**Monday 5th February, 2018 16:00-17:00Maths 311B**

### SU(2)-cyclic surgeries and the pillowcase

Steven Sivek (Imperial)

**Monday 29th January, 2018 16:00-17:00Maths 311B**

### Is the K(1)-local stable homotopy category rigid?

Jocelyne Ishak (Kent)

**Monday 22nd January, 2018 16:00-17:00Maths 311B**

### Filtering the Heegaard Floer contact invariant

Gordana Matic (Georgia)

**Monday 15th January, 2018 16:00-17:00Maths 311B**

### Lawrence representations of braid groups: a self-distributive approach

Victoria Lebed (Dublin)

**Thursday 30th November, 2017 16:00-17:00Maths 116**

### Floer homology, group orders, and taut foliations of hyperbolic 3-manifolds

Nathan Dunfield (Illinois)

**Monday 27th November, 2017 16:00-17:00Maths 311B**

### Surface homeomorphisms and their lifts by covering maps

Mehdi Yazdi (Oxford)

**Monday 20th November, 2017 16:00-17:00Maths 311B**

### Noncrossing partitions and thick subcategories

Sira Gratz (Glasgow)

**Monday 13th November, 2017 16:00-17:00Maths 311B**

### Automorphisms of complex surfaces.

Konstantin Shramov (HSE)

**Monday 13th November, 2017 15:00-16:00Maths 311B**

### Word measures on unitary groups

Michael Magee (Durham)

**Monday 6th November, 2017 16:00-17:00Maths 311B**

### Morava E-theory of finite general linear groups.

Neil Strickland (Sheffield)

**Monday 30th October, 2017 16:00-17:00Maths 311B**

### Ranks of elliptic curves

Vladimir Dokchitser (Kings College)

**Monday 23rd October, 2017 16:00-17:00Maths 311B**

### Searching for slice alternating knots.

Brendan Owens (Glasgow)

**Monday 9th October, 2017 16:00-17:00Maths 311 B**

### Complex 3-folds as degeneracy loci of 3 x 3 matrices

Gavin Brown (Warwick)

**Monday 2nd October, 2017 16:00-17:00Maths 311 B**

### Two-variable hypersurface singularities and symplectic mapping class groups

Ailsa Keating (Cambridge)

**Monday 18th September, 2017 16:00-17:00Maths 311 B**

### Colouring curves on surfaces

Joshua Greene (Boston College)

**Tuesday 30th May, 2017 15:00-16:00Maths Seminar Room**

### Shifted Poisson structure and elliptic deformation

Zheng Hua (Hong Kong)

**Monday 8th May, 2017 16:00-17:00Maths 204**

### TBA

Brent Pym (Edinburgh)

**Monday 8th May, 2017 16:00-17:00Maths 204**

### Elliptic singularities on log symplectic manifolds

Brent Pym (Edinburgh)

**Monday 20th March, 2017 16:00-17:00Maths 204**

### Thurston eigenvalues for unbounded postcritically finite rational maps

Holly Krieger (Cambridge)

**Monday 20th March, 2017 15:00-16:00Maths 204**

### Cobounded foliations are a path connected subset of PMF.

Jon Chaika (Utah)

**Monday 13th March, 2017 16:00-17:00Maths 204**

### Annular Khovanov-Lee homology, Braids, and Cobordisms

Elisenda Grigsby (Boston College)

**Monday 6th March, 2017 16:00-17:00Maths 204**

### Dehn surgery and rational balls.

Marco Golla (Uppsala)

**Monday 27th February, 2017 16:00-17:00Maths 204**

### Riley's Conjecture and cyclic branched covers of 2-bridge knots

Cameron Gordon (Austin)

**Monday 20th February, 2017 16:00-17:00Maths 204**

### The topological numerical polynomial ring

Nick Kuhn (University of Virginia)

**Monday 20th February, 2017 15:00-16:00Maths 204**

### Representations of groups in the homology of 3-manifolds, and applications

Alex Bartel (Warwick)

**Monday 13th February, 2017 16:00-17:00Maths 204**

### The signature mod 8 of surface bundles

Andrew Ranicki (Edinburgh)

**Monday 13th February, 2017 15:00-16:00Maths 204**

### Morse theory, concordance and regular homotopy

Marceij Borodzik (Warsaw)

**Monday 23rd January, 2017 16:00-17:00Maths 204**

### Square-tiled surfaces

Elise Goujard (Paris-Sud)

**Monday 23rd January, 2017 15:00-16:00Maths 204**

### TBA

Liam Watson (Glasgow/Sherbrooke)

**Monday 9th January, 2017 16:00-17:00Maths 204**

### Random walks on weakly hyperbolic groups

Joseph Maher (CUNY )

**Monday 9th January, 2017 15:00-16:00Maths 204**

### Finitely-presented universal mapping class groups

Javier Aramayona (Madrid)

**Monday 12th December, 2016 16:00-17:00Maths 204**

### The derived period map

Julian Holstein (Lancaster)

**Monday 12th December, 2016 15:00-16:00Maths 204**

### Algebraic and topological properties of big mapping class groups

Priyam Patel (Univ. of California (Santa Barbara))

**Monday 5th December, 2016 16:00-17:00Maths 204**

### Tilings, limits and shape.

John Hunton (Durham)

**Monday 28th November, 2016 16:00-17:00Maths 204**

### Characterizing slopes for torus knots.

Duncan McCoy (Austin)

**Monday 21st November, 2016 16:00-17:00Maths 204**

### Incorporating genus into the Heegaard Floer differential

Jeremy Van Horn-Morris (University of Arkansas.)

**Monday 14th November, 2016 16:00-17:00Maths 204**

### Calculating the homology of Coxeter groups

Rachael Boyd (Aberdeen)

**Monday 7th November, 2016 16:00-17:00Maths 204**

### Basmajian type inequalities for maximal representations.

Beatrice Pozzetti (Warwick)

**Monday 31st October, 2016 16:00-17:00Maths 204**

### A 4-dimensional topological field theory.

David Jordan (Edinburgh)

**Monday 31st October, 2016 15:00-16:00Maths 204**

### Strongly Invertible Knots and Sutured Khovanov Homology

Michael Snape (University of Glasgow)

**Monday 24th October, 2016 16:00-17:00Maths 522**

### Correction terms in Heegaard Floer homology and the non-orientable slice genus.

Marco Marengon (Imperial)

**Monday 10th October, 2016 16:00-17:00Maths 522**

### Topological field theory aspects of the Ising model

Constantin Teleman (Oxford)

**Monday 3rd October, 2016 16:00-17:00Maths 522**

### On dynamical Lagrange and Markov spectra.

Carlos Matheus (Paris 13)

**Wednesday 28th September, 2016 16:00-17:00Maths 522**

### Arc, disc, and sphere complexes do not admit CAT(0) metrics.

Richard Webb (Cambridge)

**Wednesday 28th September, 2016 15:00-16:00Maths 522**

### On the Thom conjecture in CP^3

Saso Strle (University of Ljubljani)

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

### Satellite operators and piecewise-linear concordance

Adam Levine (Princeton)

**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)

**Monday 21st March, 2016 16:00-17:00Maths 522**

### Veering Dehn Surgery

Saul Schleimer (Warwick)

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

### Bordered Floer homology via immersed curves

Jonathan Hanselman (University of Texas at Austin)

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

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

Vaibhav Gadre (Glasgow)

**Monday 29th February, 2016 16:00-17:00Maths 522**

### On the symmetric squares of projective spaces

Yumi Boote (Manchester)

**Monday 22nd February, 2016 16:00-17:00Maths 522**

### Quantization of Moduli Spaces and Quantum Chern-Simons Theory

Jørgen Andersen (QGM/Århus)

**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)

**Monday 8th February, 2016 16:00-17:00Maths 522**

### Milnor Invariants and the HOMFLYPT Polynomial

Jean-Baptists Meilhan (Université Grenoble)

**Monday 1st February, 2016 16:00-17:00Maths 522**

### L-space intervals for graph manifolds and cables

Sarah Rasmussen (Cambridge )

**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)

**Monday 11th January, 2016 16:00-17:00Maths 522**

### A homology theory for graphs

Richard Hepworth (University of Aberdeen)

**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)

**Monday 30th November, 2015 16:00-17:00Maths 522**

### An application of L^2 homology to symplectic geometry

Paolo Ghiggini (Universite de Nantes)

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

### Fusion systems in algebra and topology

Ellen Henke (University of Aberdeen)

**Monday 23rd November, 2015 16:00-17:00Maths 522**

### The integral cohomology rings of the symmetric square of projective spaces.

Yumi Boote (University of Manchester)

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

### The smooth and topological slice genera of two-bridge knots.

Duncan McCoy (University of Glasgow)

**Monday 9th November, 2015 16:00-17:00Maths 522**

### Legendrian contact homology and positive isotopies

Baptiste Chantraine (Universite de Nantes)

**Monday 2nd November, 2015 16:00-17:00Maths 522**

### Koszul duality patterns in Floer theory

Yanki Lekili (King's College London)

**Monday 26th October, 2015 16:00-17:00Maths 522**

### Concordance maps in knot Floer homology

Andras Juhasz (University of Oxford)

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

### Bend relations, valuations, and universal tropicalization

Jeffrey Giansiracusa (University of Swansea)

**Monday 19th October, 2015 16:00-17:00Maths 522**

### Matchbox manifolds

Alexander Clark (University of Leicester)

**Monday 12th October, 2015 16:00-17:00Maths 522**

### Spectral sequences from Khovanov homology

Andrew Lobb (University of Durham)

**Monday 5th October, 2015 16:00-17:00Maths 522**

### SU(2) character varieties and a Lagrangian-Floer theory for tangle decompositions of Knots

Paul Kirk (Indiana University Bloomington)

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

### Combinatorial models for mapping class groups

Tara Brendle (University of Glasgow)

**Monday 21st September, 2015 16:00-17:00Maths 522**

### Filtering Lipshitz-Sarkar homotopy types

Patrick Orson (University of Durham)

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

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

Claudius Zibrowius (University of Cambridge)

**Tuesday 16th June, 2015 16:00-17:00Maths 204**

### Discreteness for energies of Yang-Mills connections over four-dimensional manifolds

Paul Feehan (Rutgers University)

**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)

**Tuesday 12th May, 2015 17:30-18:303 University Gardens, Room 202**

### Interlace and the early art of Scotland

Mike Brennan (Trinity College Dublin)

**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)

**Monday 23rd March, 2015 16:00-17:00Maths 204**

### Emergent Symmetries of Geometric PDE

Stephen Watson (Glasgow)

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

### An afternoon in low-dimensions, Glasgow

**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)

**Monday 9th March, 2015 16:00-17:00Maths 204**

### Tightness and Legendrian surgery

Andy Wand (University of Nantes)

**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)

**Monday 2nd March, 2015 16:00-17:00Maths 204**

### A non-standard complex structure on R^4 of Calabi-Eckmann type

Daniele Zuddas (Korea Institute for Advanced Study)

**Monday 23rd February, 2015 16:00-17:00Maths 204**

### Character varieties of knots and their reductions mod p

Luisa Paoluzzi (Universite d'Aix-Marseille)

**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)

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

### Seifert fibred higher knot surgery

Jim Howie (Heriot-Watt University)

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

### Action operads and invertibility

Nick Gurski (University of Sheffield)

**Monday 9th February, 2015 16:00-17:00Maths 204**

### The Birman exact sequence for 3-manifolds

Jessica Banks (University of Hull)

**Monday 2nd February, 2015 16:00-17:00Maths 204**

### Surgeries and the Alexander polynomial

Duncan McCoy (Glasgow)

**Monday 26th January, 2015 16:00-17:00Maths 204**

### Mirror symmetry for Lagrangian Grassmannians (joint with K. Rietsch)

Clélia Pech (Université Lyon 1)

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

### Counting resolutions of symplectic quotient singularities

Gwyn Bellamy (Glasgow)

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

### Algebraic models in topology

Constanze Roitzheim (University of Kent)

**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)

**Monday 1st December, 2014 16:00-17:00Maths 326**

### Subtle Stiefel-Whitney classes

Alexander Vishik (University of Nottingham)

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

### Simplicially controlled Algebra

Spiros Adams-Florou (University of Glasgow)

**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)

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

### Normal forms of random braids

Stephen Tawn (University of Western Sydney)

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

### Subgraph counting problems

Kitty Meeks (University of Glasgow)

**Monday 3rd November, 2014 16:00-17:00Maths 326**

### Mod 2 instanton homology and 4-manifolds with boundary

Kim Frøyshov (Århus)

**Monday 27th October, 2014 16:00-17:00Maths 326**

### The Alexander Polynomial as a Reshetikhin-Turaev Invariant

Jonathan Grant (Durham University)

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

### Stein fillable manifolds and stably complex homotopy spheres

Diarmuid Crowley (University of Aberdeen)

**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)

**Monday 6th October, 2014 16:00-17:00Maths 326**

### Statistics with a human face: surfaces, shapes and anatomy

Adrian Bowman (University of Glasgow)

**Monday 29th September, 2014 16:00-17:00Maths 326**

### Ergodicty of the mapping class group action on a component of the character variety

Juan Souto (Université de Rennes I)

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

### A categorified view of the Alexander invariant.

Liam Watson (University of Glasgow)

**Monday 18th August, 2014 16:00-17:00Maths 204**

### Homology three-spheres and surgery obstructions

Tye Lidman (University of Texas at Austin)

**Thursday 5th June, 2014 16:00-17:00Maths 204**

### Global existence and convergence of smooth solutions to Yang-Mills gradient flow over compact four-manifolds

Paul Feehan (Rutgers)

**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)

**Tuesday 27th May, 2014 16:00-17:00Maths 204**

### Knot Floer homologies

Andras Stipsicz (Scottish Topology Seminar) (Renyi Institute)

**Tuesday 27th May, 2014 14:30-15:30Maths 204**

### Hyperbolic groups, Cannon-Thurston maps, and hydra

Tim Riley (Scottish Topology Seminar) (Cornell)

**Tuesday 27th May, 2014 13:15-14:15Maths 204**

### Scottish Topology Seminar

**Tuesday 27th May, 2014 13:15-14:15Maths 204**

### Commensurability of knot complements and hidden symmetries

Michel Boileau (Scottish Topology Seminar) (Marseille)

**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)

**Monday 31st March, 2014 16:00-17:00Maths 204**

### How to draw a knot, and what it has to do with discrete complex analysis

Roger Fenn (University of Sussex)

**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)

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

### Colored HOMFLY homology of rational tangles

Jake Rasmussen (University of Cambridge)

**Monday 10th March, 2014 16:00-17:00Maths 204**

### Conformal Blocks, Kummer Surfaces and Quantum Representations of the Mapping Class Group

Johan Martens (University of Edinburgh)

**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)

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

### Three-manifolds and Dedekind sums

Daniel Lines

**Monday 10th February, 2014 16:00-17:00Maths 204**

### Embeddings of non-orientable surfaces in orientable manifolds

Saso Strle (Univerza v Ljubljani)

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

### Complex structures as homotopy algebras

Joan Milles (University of Toulouse)

**Monday 27th January, 2014 16:00-17:00Maths 204**

### E∞ ring spectra, power operations and coactions

Andy Baker (University of Glasgow)

**Monday 20th January, 2014 16:00-17:00Maths 204**

### Alternating knots with unknotting number one

Duncan McCoy (University of Glasgow)

**Monday 13th January, 2014 16:00-17:00Maths 204**

### Tori in four-dimensional Milnor fibres

Ailsa Keating (Massachusetts Institute of Technology)

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

### Infinite loop spaces and positive scalar curvature

Oscar Randal-Williams (University of Cambridge)

**Monday 2nd December, 2013 15:00-16:00Maths 204**

### Ribbon Graph Constructions with Applications to Link Invariants

Neal Stoltzfus (Louisiana State University)

**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 18th November, 2013 16:00-17:00Maths 417**

### Moduli spaces of vertex-labelled graphs

James Griffin (University of Glasgow)

**Monday 11th November, 2013 16:00-17:00Maths 204**

### Quasi-isometry and commensurability for right-angled Coxeter groups

Anne Thomas (University of Glasgow)

**Monday 4th November, 2013 16:00-17:00Maths 204**

### Quantum cohomology via vicious and osculating walkers

Christian Korff (University of Glasgow)

**Tuesday 29th October, 2013 15:00-16:00Maths 515**

### Computational Approach to Riemann Surfaces

Christian Klein (University of Bourgogne)

**Monday 28th October, 2013 16:00-17:00Maths 204**

### Quillen equivalences of model categories and homotopy types

Pouya Adrom (University of Glasgow)

**Monday 21st October, 2013 16:00-17:00Maths 204**

### On the Khovanov homotopy type

Andrew Lobb (University of Durham)

**Monday 14th October, 2013 16:00-17:00Maths 204**

### Orderable groups and Heegaard Floer homology

Mauro Mauricio (Alfred Renyi Institute of Mathematics)

**Monday 7th October, 2013 16:00-17:00Maths 204**

### Topology of spaces of knots

Ryan Budney (University of Victoria)

**Monday 30th September, 2013 16:00-17:00Maths 204**

### Concordance invariants and quasi-alternating links

Brendan Owens (University of Glasgow)

**Monday 23rd September, 2013 16:00-17:00Maths 204**

### The virtual fibering theorem for 3-manifolds

Stefan Friedl (University of Cologne/University of Regensburg)

**Tuesday 16th July, 2013 16:00-17:00Mathematics 417 **

### Around the Berge conjecture

Dr J. Greene (Boston College)

**Monday 20th May, 2013 16:00-17:00Mathematics 325**

### The Kaehler-Einstein Problem, Tian's $\alpha$-invariant and $\mathbb{C}_+$-actions on affine cones

Dr A. Wilson (University of Glasgow)

**Monday 20th May, 2013 14:30-15:30tba**

### Twisted $K$-theory and gerbes in the case of a decomposable Dixmier-Douady class

A. J. Harju (University of Helsinki )

**Monday 13th May, 2013 16:00-17:00Mathematics 325**

### When is a Stein structure merely symplectic?

Dr C. Wendl (University College London)

**Friday 10th May, 2013 14:00-15:00Mathematics 417**

### The triangulation of manifolds

Prof. F. Quinn (Virginia Polytechnic Institute and State Universit)

**Tuesday 23rd April, 2013 15:00-16:00Maths 416**

### Mathieu Moonshine for K3

Katrin Wendland (Universitaet Freiburg)

**Monday 22nd April, 2013 16:00-17:00Mathematics 325**

### T-duality and string structures

Dr P. Hekmati (University of Adelaide)

**Monday 11th March, 2013 16:00-17:00Mathematics 203**

### Moebius inversion in general categories

Dr A. Tonks (London Metropolitan University)

**Monday 11th March, 2013 15:00-16:00Mathematics 203**

### Higher homotopy structures in the spineless cactus operad

Dr I. Galvez Carillo (Universitat Politecnica de Catalunya)

**Monday 4th March, 2013 16:00-17:00Mathematics 203**

### That which we call a manifold ...

Dr Andrew Stacey (NTNU Trondheim)

**Monday 25th February, 2013 16:00-17:00Mathematics 203**

### Geometry, Topology and Analysis for locally symmetric spaces

Dr Eugenie Hunsicker (Loughborough University)

**Monday 18th February, 2013 16:00-17:00Mathematics 203**

### Tame subsets of spheres

Dr B. Owens (University of Glasgow)

**Monday 11th February, 2013 16:00-17:00Mathematics 203**

### On topological triangulated orbit categories

Dr M. Robertson (University of Western Ontario / visiting INI)

**Tuesday 5th February, 2013 15:00-16:00Maths 416**

### Local version of the spectral curve topological recursion

Sergey Shadrin (Universiteit van Amsterdam)

**Monday 4th February, 2013 16:00-17:00Maths 203**

### Oka manifolds and the Oka principle in complex geometry

Dr T. Ritter (University of Adelaide )

**Monday 4th February, 2013 15:00-16:00Mathematics 203**

### On Dehn surgeries between S^1xS^2 and lens spaces

Dr A. Lecuona (UniversitÃ© de Aix-Marseille )

**Monday 21st January, 2013 16:00-17:00Maths 203**

### Fixed points of p-local finite groups with a group theoretical flavor

Dr A. Gonzalez (University of Aberdeen)

**Tuesday 15th January, 2013 15:00-16:00Maths 416**

### Toric Gromov-Witten Theory and Integrable Hierarchies

Andrea Brini (Imperial College)

**Monday 7th January, 2013 16:00-17:00203 (nb: room change)**

### Modular Rigidity of E-local Spectra

Dr C. Roitzheim (University of Kent)

**Monday 7th January, 2013 15:00-16:00203 (nb: room change)**

### A-infinity structures on coalgebras

Prof. N. Iwase (Kyushu University)

**Tuesday 4th December, 2012 15:00-16:00Maths 325**

### From Frobenius structures to constant holomorphic curvature metrics

Eduard Looijenga (Universiteit Utrecht)

**Monday 3rd December, 2012 16:00-17:00417**

### The boundary of the arc complex

Dr S. Schleimer (University of Warwick)

**Monday 26th November, 2012 15:30-16:30417**

### Rigidity in equivariant stable homotopy theory

I. Patchkoria (Universität Bonn)

**Tuesday 20th November, 2012 16:00-17:00203**

### Morse 2-functions and trisections of 4-manifolds

Prof. R. Kirby (University of California, Berkeley)

**Thursday 15th November, 2012 14:00-15:00325**

### A study of the entanglement in polymer melts

Eleni Panagiotou

**Monday 12th November, 2012 15:30-16:30417**

### Immersions of manifolds and the Hopf invariant

Prof. P. Eccles (University of Manchester)

**Monday 29th October, 2012 15:30-16:30417**

### Geometry and topology of infinite-dimensional bundles and the caloron correspondence

Dr R. Vozzo (University of Glasgow)

**Monday 22nd October, 2012 15:30-16:30417**

### On cutting fiber surfaces along arcs, and ramifications for DNA

Dr M. Rathbun (Imperial College)

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

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

Ran Levi (U Aberdeen)

**Friday 5th October, 2012 15:00-16:00325**

### Codes, arithmetic and manifolds

Prof. M. Kreck (Universitaet Bonn)

**Monday 1st October, 2012 15:30-16:30214**

### Bridgeland stability conditions and birational geometry of moduli spaces

Prof. A. Bayer (University of Connecticut)

**Monday 17th September, 2012 16:00-17:00214**

### Representation spaces and quantum invariants of graphs

Dr R. Zentner (Universitaet Koeln)

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

### Chen ranks and resonance

Dan Cohen (Louisiana State University)

**Monday 21st May, 2012 16:30-17:30204**

### String Topology of (2n-1)-connected 4n-manifolds

Nora Seeliger (MPIM)

**Monday 21st May, 2012 15:00-16:00204**

### The geometry of the Batalin-Vilkovisky formalism

Alexander Quintero Velez (University of Glasgow)

**Monday 14th May, 2012 15:00-16:00204**

### Geometric models of matter

Bernd Schroers (Heriot-Watt)

**Tuesday 8th May, 2012 15:00-16:00416**

### Monoidality of exotic models

Constanze Roitzheim (University of Glasgow)

**Monday 23rd April, 2012 15:00-16:00416**

### Metabelian SL(n,C) representations of knot groups

Hans Boden (MPI Bonn/ McMaster)

**Monday 19th March, 2012 16:30-17:30416**

### Morse theory for manifolds with boundary

Maciej Borodzik (University of Warsaw)

**Monday 19th March, 2012 15:00-16:00416**

### The Seiberg-Witten invariant of negative definite plumbed 3-manifolds

Andras Nemethi (A. Renyi Institute of Mathematics, Budapest)

**Monday 12th March, 2012 15:00-16:00416**

### Constructions of generalized complex structures in dimension four

Rafael Torres (University of Oxford)

**Monday 5th March, 2012 15:00-16:00416**

### Orientation and duality: manifolds and chromatic homotopy theory

John Greenlees (University of Sheffield)

**Monday 27th February, 2012 15:00-16:00416**

### Homotopy nilpotent groups and spaces

Georg Biedermann (Universitaet Osnabrueck)

**Monday 6th February, 2012 16:30-17:30416**

### Symplectic structures on 4-manifolds with a free S^1-action

Stefan Friedl (Universitaet zu Koeln)

**Monday 6th February, 2012 15:00-16:00416**

### String topology of classifying spaces

Richard Hepworth (University of Aberdeen)

**Monday 30th January, 2012 15:00-16:00416**

### Window shifts and spherical (co)twists

Will Donovan (University of Edinburgh)

**Monday 23rd January, 2012 15:00-16:00416**

### Roots of the Alexander polynomial and Hoste's conjecture

Alexander Stoimenow (Keimyung University)

**Monday 16th January, 2012 15:00-16:00416**

### Cohomology of the hyperelliptic Torelli group

Tara Brendle (University of Glasgow)

**Monday 9th January, 2012 15:00-16:00416**

### Moduli Spaces, Stability and Fourier-Mukai transforms

Ciaran Meachan (University of Edinburgh)

**Monday 5th December, 2011 15:00-16:00416**

### Homotopy theory for generalised algebraic operads and their algebras

Roald Koudenburg (University of Sheffield)

**Monday 28th November, 2011 16:00-17:00204**

### The shape of an attractor

John Hunton (University of Leicester)

**Monday 21st November, 2011 15:00-16:00416**

### On the equivariant K-theory of toric varieties

Gareth Williams (Open University)

**Monday 14th November, 2011 15:00-16:00416**

### Spaces with Noetherian cohomology

Alain Jeanneret (Universitaet Bern)

**Monday 7th November, 2011 15:00-16:00416**

### Several Sorts of Shuffles

Martin Crossley (University of Swansea)

**Monday 31st October, 2011 15:00-16:00416**

### Residue theory and Gysin maps

Harry Ullman (University of Sheffield)

**Monday 24th October, 2011 15:00-16:00416**

### Stable moduli spaces of high-dimensional manifolds

Oscar Randal-Williams (Universitet Copenhagen)

**Monday 17th October, 2011 15:00-16:00416**

### Heegaard Floer homology of broken fibrations

Yanki Lekili (University of Cambridge)

**Monday 10th October, 2011 16:00-17:00204**

### Noncommutative toric geometry

Alastair Craw (University of Glasgow)

**Monday 3rd October, 2011 16:00-17:00204**

### T-duality via bundle gerbes

Raymond Vozzo (University of Adelaide)

**Monday 26th September, 2011 16:00-17:00204**

### Motivic Donaldson-Thomas invariants

Sergey Mozgovoy (University of Oxford)

**Monday 23rd May, 2011 16:00-17:00204**

### Embedding Seifert manifolds in the 4-sphere

Andrew Donald (University of Glasgow)

**Monday 18th April, 2011 16:00-17:00Mathematics Building, room 204**

### Homotopy 4-spheres and surgery on 2-tori

Daniel Nash (Renyi Institute)

**Monday 4th April, 2011 16:00-17:00204**

### The homotopy theory of vortex equations

Markus Szymik (Universitaet Duesseldorf)

**Monday 28th March, 2011 16:00-17:00204**

### Commuting tuples in reductive groups and maximal compact subgroups.

Juan Souto (University of Michigan)

**Monday 21st March, 2011 16:00-17:00204**

### A classical construction for simplicial sets revisited

Danny Stevenson (University of Glasgow)

**Monday 14th March, 2011 16:00-17:00204**

### Mori Dream Spaces as Fine Moduli

Dorothy Winn (University of Glasgow)

**Monday 7th March, 2011 16:00-17:00204**

### Integer-valued Operators

Francis Clarke (University of Swansea)

**Monday 28th February, 2011 16:00-17:00204**

### Equivariant K-homology for hyperbolic reflection groups

Ruben Sanchez Garcia (University of Southampton)

**Monday 21st February, 2011 16:00-17:00204**

### Transversal Homotopy of Spheres and the Tangle Hypothesis

Jon Woolf (University of Liverpool)

**Monday 14th February, 2011 16:00-17:00204**

### Orthogonal Calculus and Model Categories

David Barnes (University of Sheffield)

**Monday 7th February, 2011 16:00-17:00204**

### Stein fillable Seifert fibered 3-manifolds

Ana Lecuona (ENS Lyon)

**Monday 31st January, 2011 16:00-17:00204**

### Cohomology of moduli stacks of vector bundles on algebraic curves and Frobenius morphisms

Frank Neumann (University of Leicester)

**Monday 24th January, 2011 16:00-17:00204**

### Concordance of links

Saso Strle (Univerza v Ljubljani)

**Monday 17th January, 2011 16:00-17:00204**

### Links Concordant to the Hopf Link

Mark Powell (University of Edinburgh)

**Monday 10th January, 2011 16:00-17:00204**

### Topological applications of 2-dimensional homological algebra

Teimuraz Pirashvili (University of Leicester)

**Monday 6th December, 2010 16:00-17:00204**

### Determinants, K-theory, and derived categories

Fernando Muro (Universidad de Sevilla)

**Monday 29th November, 2010 16:00-17:00204**

### Lie Hopf algebras and splittings of suspension spaces

Jelena Grbic (University of Manchester)

**Monday 22nd November, 2010 16:00-17:00204**

### Cellular resolutions of noncommutative toric algebras from superpotentials

Alexander Quintero Velez (University of Glasgow)

**Monday 15th November, 2010 16:00-17:00204**

### A short proof of the Goettsche conjecture

Martijn Kool (Imperial College London)

**Monday 8th November, 2010 16:00-17:00204**

### Central cohomology operations and K-theory

Sarah Whitehouse (University of Sheffield)

**Monday 1st November, 2010 16:00-17:00204**

### Stacky Quiver Representations

Tarig Abdel Gadir (University of Glasgow)

**Monday 25th October, 2010 16:00-17:00204**

### Pontryagin classes of fiber bundles with fiber R^n

Michael Weiss (University of Aberdeen)

**Monday 18th October, 2010 16:00-17:00204**

### Invariant generalized complex structures on Lie groups

Liana David ( I.M.A.R. Bucharest)

**Monday 11th October, 2010 16:00-17:00204**

### Some cobordism groups in low-dimensional topology.

Brendan Owens (University of Glasgow)

**Monday 4th October, 2010 16:00-17:00204**

### Configuration spaces of graphs

Liz Hanbury (University of Durham)

**Monday 27th September, 2010 16:00-17:00204**

### Complete Intersections of Quadrics

Nicolas Addington (Imperial College London)

**Monday 20th September, 2010 16:00-17:00204**

### The Gromov-Lawson-Rosenberg conjecture for some finite groups

Arjun Malhotra (University of Sheffield)

**Monday 24th May, 2010 16:00-17:00Mathematics Building, room 204**

### Symmetric homology for surfaces

Tara Brendle (University of Glasgow)

**Monday 17th May, 2010 16:00-17:00Mathematics Building, room 204**

### Nil groups in algebraic K-theory

Jim Davis (Indiana University)

**Monday 10th May, 2010 16:00-17:00Mathematics Building, room 204**

### Order-preserving chain maps between simplexes

Richard Steiner (University of Glasgow)

**Tuesday 4th May, 2010 16:00-17:00Mathematics Building, room 204**

### Old and new perspectives on Hilbert functions

Greg Smith (Queen's University, Ontario/KTH)

**Monday 26th April, 2010 16:00-17:00Mathematics Building, room 204**

### Hochschild cohomology of A-infinity algebras

Constanze Roitzheim (University of Glasgow)

**Monday 19th April, 2010 16:00-17:00Mathematics Building, room 204**

### Diffeomorphism groups of 3-dim handlebodies and Batalin-Vilkovisky graph homology

Jeffrey Giansiracusa (University of Oxford)

**Monday 22nd March, 2010 16:00-17:00Mathematics Building, room 204**

### All 2-dimensional links in 4-space live inside a universal 3-dimensional polyhedron.

Vitaliy Kurlin (Durham University)

**Monday 15th March, 2010 16:00-17:00Mathematics Building, room 204**

### Quiver flag varieties and derived categories

Alastair Craw (University of Glasgow)

**Monday 8th March, 2010 16:00-17:00Mathematics Building, room 204**

### Plucker relations for space curves

Terry Wall (University of Liverpool)

**Monday 1st March, 2010 16:00-17:00Mathematics Building, room 204**

### Manifolds, quadratic forms and bagels

Andrew Ranicki (University of Edinburgh)

**Monday 22nd February, 2010 16:00-17:00Mathematics Building, room 204**

### Double Point Surgery and Configurations of Surfaces in 4-manifolds

Hee Jung Kim (MPIM)

**Monday 15th February, 2010 16:00-17:00Mathematics Building, room 204**

### Explicit moduli for closed genus 2 surfaces

Iain Aitchison (University of Melbourne)

**Monday 8th February, 2010 16:00-17:00Mathematics Building, room 204**

### Chamber structure and Double Hurwitz numbers

Paul Johnson (Imperial College)

**Thursday 4th February, 2010 15:00-16:00Mathematics Building, room 416**

### For orientation preserving power operations, p-typicality is atypical

Justin Noel (IRMA Strasbourg)

**Monday 25th January, 2010 16:00-17:00Mathematics Building, room 204**

### An interpretation of $E_n$-homology as functor homology

Birgit Richter (University of Hamburg)

**Monday 18th January, 2010 16:00-17:00Mathematics Building, room 204**

### Halphen pencils on quartic threefolds

Ilya Karzhemanov (University of Edinburgh)

**Monday 11th January, 2010 16:00-17:00Mathematics Building, room 204**

### Discrete group actions on symplectic manifolds

Jarek Kedra (University of Aberdeen)

**Monday 14th December, 2009 16:00-17:00Mathematics Building, room 204**

### Rational blow-down and exotic smooth 4-manifolds

Maria Michalogiorgaki (Universität Zürich)

**Monday 7th December, 2009 16:00-17:00Mathematics Building, room 204**

### Singular special Lagrangians and gluing methods

Mark Haskins (Imperial College)

**Monday 30th November, 2009 16:00-17:00Mathematics Building, room 204**

### Torus knot signatures

Julia Collins (University of Edinburgh)

**Monday 23rd November, 2009 16:00-17:00Mathematics Building, room 204**

### Removing double points of immersions

Mark Grant (University of Edinburgh)

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

### Hochschild cohomology and non-commutative deformations

Wendy Lowen (Universiteit Antwerpen)

**Monday 9th November, 2009 16:00-17:00Mathematics Building, room 204**

### Topology of moduli spaces and birational maps

Elizabeth Gasparim (University of Edinburgh)

**Monday 2nd November, 2009 16:00-17:00Mathematics Building, room 204**

### Integrating morphisms of Lie 2-algebras

Behrang Noohi (King's College London)

**Monday 26th October, 2009 16:00-17:00Mathematics Building, room 204**

### Embeddings of 4-manifolds in 7-space

Diarmuid Crowley (Hausdorff Institute)

**Monday 19th October, 2009 16:00-17:00Mathematics Building, room 204**

### McKay correspondence for Landau-Ginzburg models

Alexander Quintero Velez (University of Glasgow)

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

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

Karen Vogtmann (Cornell University)

**Monday 28th September, 2009 16:00-17:00Mathematics Building, room 204**

### Pseudo-Riemannian manifolds with many Killing spinors

Dmitri Alekseevsky (University of Edinburgh)

**Tuesday 15th September, 2009 16:00-17:00Mathematics Building, room 204**

### Bibundles and bibundle gerbes

Michael Murray (University of Adelaide)

**Monday 18th May, 2009 16:00-17:00Mathematics Building, room 204**

### Complete Intersections in Rational Homotopy Theory

Shoham Shamir (University of Sheffield)

**Monday 11th May, 2009 16:00-17:00Mathematics Building, room 204**

### Combinatorial description of Heegaard Floer homologies

Andras Stipsicz (Renyi Institute)

**Tuesday 5th May, 2009 16:15-17:15Mathematics Building, room 204**

### Dirac operator and K-theory for discrete groups

Paul Baum (Pennsylvania State University)

**Monday 27th April, 2009 16:00-17:00Mathematics Building, room 204**

### The Hilden subgroup of the braid group.

Stephen Tawn (University of Warwick)

**Monday 23rd March, 2009 16:00-17:00Mathematics Building, room 204**

### A homotopy-theoretic approach to derived categories of toric varieties

Thomas Huettemann (Queen's University, Belfast)

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

### The notion of order in the stable module category

Martin Langer (Universität Bonn)

**Monday 9th March, 2009 16:00-17:00Mathematics Building, room 204**

### Batalin Vilkovisky algebras and string homology

John Jones (University of Warwick)

**Monday 2nd March, 2009 16:00-17:00Mathematics Building, room 204**

### Cartan Geometries and Invariant Multilinear Differential Operators

Jens Kroeske (ThinkTank Maths)

**Monday 23rd February, 2009 16:00-17:00Mathematics Building, room 204**

### Cobordism invariants of mutual position of manifolds and applications

Konstantin Feldman (University of Cambridge)

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

### Infinite Smith groups and Kropholler's hierarchy

Ian Leary (Ohio State University)

**Monday 9th February, 2009 16:00-17:00Mathematics Building, room 214**

### Classifying minimal genus Seifert surfaces

Andras Juhasz (University of Cambridge)

**Monday 2nd February, 2009 16:00-17:00Mathematics Building, room 214**

### Introduction to Coarse Geometry

Paul Mitchener (University of Sheffield)

**Tuesday 27th January, 2009 16:00-17:00Mathematics Building, room 416**

### Piecewise polynomials and weighted projective space

Nigel Ray (University of Manchester)

**Monday 19th January, 2009 16:00-17:00Mathematics Building, room 214**

### Equivariant CW-complexes and group actions on spheres

Ian Hambleton (McMaster University)

**Monday 12th January, 2009 16:00-17:00Mathematics Building, room 214**

### TBA

Alastair Craw (University of Glasgow)

**Monday 8th December, 2008 16:00-17:00Mathematics Building, room 214**

### A slice genus lower bound from Khovanov-Rozansky homology

Andrew Lobb (Imperial College)

**Monday 1st December, 2008 16:00-17:00Mathematics Building, room 214**

### Indecomposable $PD_3$-complexes

Jonathan Hillman (University of Sydney)

**Monday 24th November, 2008 16:00-17:00Mathematics Building, room 214**

### A-infinity monads and completion

Tilman Bauer (Vrije Universiteit)

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

### Discrete module categories

Tony Hignett (University of Sheffield)

**Monday 10th November, 2008 16:00-17:00Mathematics Building, room 214**

### Two 2-traces

Simon Willerton (University of Sheffield)

**Monday 3rd November, 2008 16:00-17:00Mathematics Building, room 416**

### Smooth and Irreducible Multigraded Hilbert schemes

Diane Maclagan (University of Warwick)

**Monday 3rd November, 2008 15:00-16:00Mathematics Building, room 416**

### On a question of Berge

Saul Schleimer (University of Warwick)

**Monday 27th October, 2008 16:00-17:00Mathematics Building, room 214**

### Fibered 3-manifolds and symplectic 4-manifolds

Stefan Friedl (University of Warwick)

**Monday 20th October, 2008 16:00-17:00Mathematics Building, room 214**

### Low genus knots in lens spaces

Jacob Rasmussen (University of Cambridge)

**Monday 13th October, 2008 16:00-17:00Mathematics Building, room 214**

### Actions of p-local finite groups and maps between their classifying spaces

Assaf Libman (University of Aberdeen)

**Tuesday 7th October, 2008 16:00-17:00Mathematics Building, room 214**

### Algebraic models for the K-local stable homotopy category

Constanze Roitzheim (University of Glasgow)

**Monday 29th September, 2008 16:00-17:00Mathematics Building, room 214**

### The basic bundle gerbe on unitary groups, revisited

Danny Stevenson (University of Glasgow)

**Wednesday 21st May, 2008 16:30-17:30416**

### Stability of orbifolds through embeddings in weighted projective spaces

Julius Ross (Cambridge)

**Wednesday 21st May, 2008 15:00-16:00416**

### On polar homology

Alexey Rosly (Inst. of Theor. and Exp. Physics, Moscow)

**Monday 21st April, 2008 16:00-17:00214, Mathematics Building**

### The Shapiro-Shapiro Conjecture

Iain Gordon (University of Edinburgh)

**Monday 14th April, 2008 16:00-17:00214, Mathematics Building**

### A general homological Kleiman-Bertini theorem

Susan Sierra (University of Michigan)

**Monday 7th April, 2008 16:00-17:00214, Mathematics Building**

### Koszul duality and the McKay correspondence

Chris Brav (Queens University, Ontario)

**Monday 10th March, 2008 16:00-17:00214, Mathematics Building**

### Quantum cohomology and birational geometry

Andrei Mustata (University College Cork)

**Monday 25th February, 2008 16:00-17:00214, Mathematics Building**

### Calculating G-Hilb via higher superpotentials

Michael Wemyss (University of Bristol)

**Monday 18th February, 2008 16:00-17:00214, Mathematics Building**

### On geometry of quantum Calogero-Moser systems

Misha Feigin (University of Glasgow)

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

### Noncommutative correspondences and Galois-Tannaka reconstruction

Tomasz Maszczyk (Warsaw)

**Monday 4th February, 2008 16:00-17:00214, Mathematics Building**

### Noncommutative toric geometry

Alastair Craw (University of Glasgow)

**Monday 28th January, 2008 16:00-17:00214, Mathematics Building**

### Geometry of one-tori

Nikolai Vavilov (University of Saint-Petersburg and Queen's Univers)

**Monday 21st January, 2008 16:00-17:00214, Mathematics Building**

### Dimer Models and Calabi-Yau algebras

Nathan Broomhead (University of Bath)

**Monday 14th January, 2008 16:00-17:00214, Mathematics Building**

### Galois extensions of Lubin-Tate spectra

Andrew Baker (University of Glasgow)