Dr Spiros Adams-Florou : Lecturer

Algebraic K-theory, L-Theory

Member of other research groups: Geometry and Topology

Dr Alex Bartel : Senior lecturer

• Algebraic number theory:
  • Galois module structures, e.g. the structure of the ring of integers of a number field as a Galois module, or of its unit group, or of the Mordell-Weil group of an abelian variety over a number field;
  • Arithmetic statistics, especially the Cohen―Lenstra heuristics on class groups of number fields and their generalisations;
  • Arithmetic of elliptic curves over number fields.
• Representation theory of finite groups:
  • Integral representations of finite groups;
  • Connections between the Burnside ring and the representation ring of a finite group;
  • Applications of the above to number theory and geometry.
• Geometry and topology:
  • Actions of finite groups of low-dimensional manifolds.

Member of other research groups: Geometry and Topology
Research student: Ross Paterson

Dr Gwyn Bellamy : Senior lecturer

My research interests are in geometric representation theory and its connections to algebraic geometry and algebraic combinatorics. In particular, I am interested in all aspects of symplectic representations, including symplectic reflection algebras, resolutions of symplectic singularties, D-modules and deformation-quantization algebras.

Member of other research groups: Geometry and Topology
Research students: Niall Hird, Tomasz Przezdziecki, Kellan Steele, Ross Paterson

Dr Tara Brendle : Professor of Mathematics

Geometric group theory; mapping class groups of surface

Member of other research groups: Geometry and Topology
Research student: Luke Jeffreys

Dr Kenneth A Brown : Professor of Mathematics

Noncommutative algebra; Hopf algebras; homological algebra

Member of other research groups: Geometry and Topology
Research student: Miguel Couto

Dr Sam Dean : Lecturer

Dr Mikhail Feigin : Senior lecturer

Representations of Cherednik algebras; rings of quasi-invariants

Member of other research groups: Integrable Systems and Mathematical Physics, Geometry and Topology
Research students: Maali Alkadhem, Georgios Antoniou

Dr Jamie Gabe : Honorary Research Fellow/RA

Member of other research groups: Mathematical Biology, Geometry and Topology

Dr Vaibhav Gadre : Lecturer

Teichmuller Dynamics, Mapping Class Groups. 

Member of other research groups: Geometry and Topology
Research student: Luke Jeffreys

Dr Sira Gratz : Lecturer

representation theory of algebras, cluster algebras and cluster categories, triangulated categories

Research student: James Rowe

Dr Dimitra Kosta : LKAS Fellowship

Markov bases of toric ideals; graphs; matroids; factoriality of threefolds.

Member of other research groups: Statistical Methodology, Environmental Statistics, Biostatistics and Statistical Genetics, Geometry and Topology

Dr Alan Logan : Jack Fellowship

Geometric and combinatorial group theory

Dr Ciaran Meachan : Lecturer

Member of other research groups: Geometry and Topology

Dr Theo Raedschelders : Research Assistant

Member of other research groups: Geometry and Topology
Supervisor: Michael Wemyss

Dr Greg Stevenson : Lecturer

Member of other research groups: Geometry and Topology
Research student: James Rowe

Dr Christian Voigt : Senior lecturer

Noncommutative geometry; K-theory; Quantum groups

Member of other research groups: Geometry and Topology, Analysis
Research students: Jamie Antoun, Andrew Monk, Sergio Giron Pacheco

Prof Michael Wemyss : Professor of Mathematics

Algebraic geometry and its interactions, principally between noncommutative and homological algebra, resolutions of singularities, and the minimal model program.  All related structures, including: deformation theory, derived categories, stability conditions, associated commutative and homological structures and their representation theory, curve invariants, McKay correspondence, Cohen--Macaulay modules, finite dimensional algebras and cluster-tilting theory.

Member of other research groups: Geometry and Topology
Research staff: Theo Raedschelders
Research students: Sarah Kelleher (Mackie), Ogier Van Garderen

Dr Stuart White : Professor of Mathematics

Rigidity properties for groups; noncommutative geometry

Member of other research groups: Geometry and Topology, Analysis
Research student: Sergio Giron Pacheco
Postgraduate opportunities: Interactions between von Neumann and C*-algebras, Operator Algebras associated to groups

Dr Mike Whittaker : Lecturer

Operator algebras, self-similar groups, and Zappa-Szep products.

Member of other research groups: Geometry and Topology, Analysis
Research students: Dimitrios Gerontogiannis , Mustafa Ozkaraca, Jamie Antoun

Dr William Woods : Lecturer

Dr Joachim Zacharias : Reader

C*-algebras, their classification and amenability properties; special examples of C*-algebras; K-theory and non commutative topology, noncommutative dynamical systems, geometric group theory with applications to C*-algebras.

Member of other research groups: Integrable Systems and Mathematical Physics, Geometry and Topology, Analysis
Research students: Luke Hamblin, Dimitrios Gerontogiannis

Miguel Couto : PhD Student

Supervisor: Kenneth A Brown

Niall Hird : PhD Student

Supervisor: Gwyn Bellamy

Luke Jeffreys : PhD Student

Supervisors: Vaibhav Gadre, Tara Brendle

Sarah Kelleher (Mackie) : PhD Student

Supervisor: Michael Wemyss

Ross Paterson : PhD Student

Supervisors: Alex Bartel, Gwyn Bellamy

Tomasz Przezdziecki : PhD Student

Supervisor: Gwyn Bellamy

James Rowe : PhD Student

Supervisors: Sira Gratz, Greg Stevenson

Kellan Steele : PhD Student

Member of other research groups: Geometry and Topology
Supervisor: Gwyn Bellamy

Angela Tabiri : PhD Student

Research Topic: Quantum group actions on singular varieties
Supervisor: Ulrich Kraehmer

Ogier Van Garderen : PhD Student

Member of other research groups: Geometry and Topology
Supervisors: Michael Wemyss, Ben Davison

Quantum spin-chains and exactly solvable lattice models (PhD)

Supervisors: Christian Korff
Relevant research groups: Integrable Systems and Mathematical Physics, Algebra

Quantum spin-chains and 2-dimensional statistical lattice models, such as the Heisenberg spin-chain and the six and eight-vertex models remain an active area of research with many surprising connections to other areas of mathematics.

Some of the algebra underlying these models deals with quantum and Hecke algebras, the Temperley-Lieb algebra, the Virasoro algebra and Kac-Moody algebras. There are many unanswered questions ranging from very applied to more pure topics in representation theory and algebraic combinatorics. For example, recently these models have been applied in combinatorial representation theory to compute Gromov-Witten invariants (enumerative geometry) and fusion coefficients in conformal field theory (mathematical physics).

Operator Algebras associated to groups (PhD)

Supervisors: Stuart White
Relevant research groups: Algebra, Analysis

Operator algebras (both C*-algebras and von Neumann algebras) arise naturally from groups and provide a framework for the study of unitary representations.  A driving question is how the structure of the operator algebra reflects that of the original group. This direction of research arguably dates back to the foundational papers of Murray and von Neumann and has repeatedly generated profound new insights over the years.  Two possible avenues for PhD research are described below.

Rigidity asks to what extent the group is `remembered' by the operator algebra.  There has been dramatic progress in recent years following the discovery of the first examples of von Neumann rigid groups by Ioana, Popa and Vaes in 2012. In the setting of C*-algebras, questions of rigidity are very tantalising; both in the setting of amenable groups, and also finding von Neumann rigid groups which are C*-simple.

A striking new connection to boundary actions developed by Kalentar and Kennedy provides a new framework to examine the situation when a reduced group C*-algebra is simple: in particular how much extra information does one gain from knowing that there is an underlying group?  To what extent can one view these reduced group C*-algebras as mirroring behaviour of the associated von Neumann factor?

One particularly nice feature of working with operator algebras associated to groups is that there are concrete examples you can compute with in order to develop intutiution and understanding.

Algebraic Combinatorics and Symbolic Computation (PhD)

Supervisors: Christian Korff
Relevant research groups: Algebra, Integrable Systems and Mathematical Physics

This project will look at topics in algebraic combinatorics, for example the ring of symmetric functions, the Robinson-Schensted-Knuth correspondence, crystal graphs, and their implementation in symbolic computational software. An example can be found here:

http://demonstrations.wolfram.com/KirillovReshetikhinCrystals/

Emphasis of the project will be on the efficient design and writing of algorithms with the aim to provide data for open research problems in algebraic combinatorics.

The ideal candidate should have a dual interest in mathematics and computer science and, in particular, already possess some programming experience. As part of the project it is envisaged to spend some time with a private software company to explore a possible commercialisation of the resulting computer packages.