In the 1950’s Davenport, Mirsky, Newman and Rado proved that if the integers are partitioned by…
Seminars
Future and Ongoing Seminars
FC1 007 and Online |
Algebra, Combinatorics and Number Theory
Speaker: Martino Garonzi
FC1 007 and Online |
Algebra, Combinatorics and Number Theory
The Gruenberg-Kegel graph of a group is defined as the graph whose vertices are the primes that…
Speaker: Diego Lucas Garcia
FC1 007 and Online |
Algebra, Combinatorics and Number Theory
Chen, Erdős, and Staton asked in 1996 how many edges are required in an n-vertex graph to…
Speaker: António Girão
FC1 031 and online |
Algebra, Combinatorics and Number Theory
This has been an open question for more than 70 years. I'll review what is known, including some…
Speaker: Ken Brown
FC1 031 and online |
Algebra, Combinatorics and Number Theory
Quasi-hereditary algebras are a class of finite-dimensional associative algebras that appear…
Speaker: Tiago Cruz
FC1 031 and online |
Algebra, Combinatorics and Number Theory
Quasigroupoids and weak Hopf quasigroups are non-associative generalizations of groupoids and…
Speaker: Ramón González Rodríguez
FC1 031 and online |
Algebra, Combinatorics and Number Theory
Polynomial expansion concerns the heuristic expectation that, for a typical polynomial P in n…
Speaker: Nuno Arala Santos
Past Seminars
FC1.031 |
Dynamical Systems
Ideas from dynamical systems and thermodynamic formalism can be useful in rigorously estimating…
Speaker: Mark Pollicott
FC1 007 |
Algebra, Combinatorics and Number Theory
In commutative algebra, a major subject of investigation is the study of ideals in polynomial…
Speaker: Gonçalo Varejão
FC1 0.31 |
This is a complete study of the dynamics of polynomial planar vector fields whose linear
Speaker: Isabel S. Labouriau
FC1.031 |
There is a rich theory in dynamical systems involving the study of "shrinking targets". Given…
Speaker: Mark Pollicott
FC1 0.07 and online |
Algebra, Combinatorics and Number Theory
Towards a homological Kitaev model by Ulrich Krähmer (Dresden)
Speaker: Ulrich Krähmer
FC1.031 |
Dynamical Systems
The classical Livsic theorem is a simple and useful result for Anosov diffeomorphism (or flows)…
Speaker: Mark Pollicott
FC1 0.31 and online |
Algebra, Combinatorics and Number Theory
sl2-crystals and duality in monoidal categories ( joint w. T. Zorman)…
Speaker: Sebastian Halbig
FC1 1.09 |
Geometry and Topology
Abstract: …
Speaker: Juan Sebastian Numpaque
FC1 007 |
Algebra, Combinatorics and Number Theory
Hopf braces, related structures and their associated categories by Brais Ramos…
Speaker: Brais Ramos Pérez
Room FC1 1.09 |
Geometry and Topology
In this talk, I will describe how Riemannian submersions on a spacetime of the form $M_4 \times…
Speaker: João Baptista
FC1 007 |
Algebra, Combinatorics and Number Theory
Abstract: In 1892, Klein’s Erlangen program proposed that all geometric problems should…
Speaker: Claudio Piedade
Room FC1 1.09 |
After reviewing the classical theory of quiver moduli spaces via Mumford’s reductive GIT, I…
Speaker: Joshua Jackson
FC1 007 (and online) |
Algebra, Combinatorics and Number Theory
How much does the universal enveloping algebra of a Lie algebra remember about the Lie algebra…
Speaker: Ricardo Campos
FC1 007 (and online) |
Algebra, Combinatorics and Number Theory
Let $F$ be a family of finite groups closed under taking subgroups, quotients and finite direct…
Speaker: Martino Garonzi
FC1 007 (and online) |
Algebra, Combinatorics and Number Theory
The classification of tuples of matrices up to simultaneous conjugation is a classical problem…
Speaker: Rustam Turdibaev
FC1.007 and Online |
Semigroups, Automata and Languages
Given a set of generators of a finite semigroup, a natural way to show that a…
Speaker: Andrew Ryzhikov
FC1 007 (and online) |
Algebra, Combinatorics and Number Theory
Numerical semigroups are the subsemigroups of the set of natural numbers that are cofinite and…
Speaker: Neeraj Kumar
Online Zoom Meeting |
Semigroups, Automata and Languages
A monoid is said to be right noetherian if all of its right congruences are finitely…
Speaker: Craig Miller
FC1 007 (and online) |
Algebra, Combinatorics and Number Theory
A numerical semigroup $S$ is a cofinite submonoid of the aditive monoid $(\mathbb{N},+)$. The (…
Speaker: Manuel Delgado
Online Zoom Meeting |
Semigroups, Automata and Languages
HNN extensions can be used as a way to produce a more complicated group from a simpler one, they…
Speaker: Jonathan Warne