Algebra and Number Theory Group

The Algebra and Number Theory Group at Queen Mary has a long and distinguished history, going back to such names as Kurt Hirsch, Karl Gruenberg and Ian G. Macdonald.

Having made its reputation primarily in group theory, the group now covers a range of areas in number theory, representation theory, algebraic combinatorics, algebraic geometry, logic, homological/categorical algebra, and computational methods.

Research interests

Group theory

John Bray, Tomasz Popiel

Structure of finite groups
Growth functions on finitely-generated groups and their combinatorics and number-theoretic properties
Computational group theory and group-theoretical databases

Representation theory

Matt Fayers, John Bray, Abhishek Saha

Representations of finite groups
Representations of p-adic groups
Representations of symmetric groups and Hecke algebras

Automorphic forms

Abhishek Saha, Steve Lester, Shu Sasaki

Modular forms
Maass forms
Siegel modular forms
Representations of p-adic groups
Langlands programme
Analytic theory of automorphic forms

Algebraic Combinatorics

Alex Fink, Felipe Rincón, Matt Fayers, John Bray, Tomasz Popiel

Algebraic graph theory
Matroid theory
Finite geometry
Computation
Combinatorics of partitions

Homological algebra

Ivan Tomašić, Behrang Noohi

Higher categorical/derived structures in algebra and geometry

Model theory

Ivan Tomašić

Model theory of difference and differential fields
Stable and simple theories
Applications in algebraic geometry and number theory

Mathematical physics

Steve Lester

Exceptional groups and Lie algebras and applications to physics, quantum chaos

Analytic Number Theory

Steve Lester, Abhishek Saha

Arithmetic quantum chaos
Analytic aspects of L-functions

Algebraic Number Theory

Abhishek Saha, Shu Sasaki, Ivan Tomašić

Galois representations
Arithmetic of L-functions
Special values of L-functions

Category theory

Ivan Tomašić, Behrang Noohi

Topos theory
Categorical logic

Algebraic geometry

Behrang Noohi, Alex Fink, Felipe Rincon, Shu Sasaki

Tropical geometry
Combinatorial algebraic geometry
Complex geometry
Arithmetic geometry
Non-Archimedean geometry

Group seminars

In conjunction with Imperial College, City University and Birkbeck University of London we run the weekly London Algebra Colloquium, which has been running continuously since 1950.

When it's not our turn to host the LAC, we normally hold our Algebra and Number Theory Seminar during term on Fridays at 3:00pm. We aim for this seminar to be informal and accessible.

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