Seminars top banner

Seminars

Future and Ongoing Seminars

FC1 0.04 and online |
Algebra, Combinatorics and Number Theory

We investigate finite and profinite groups with the Magnus property, where a group is said to…

Speaker: Claude Marion
FC1.031 |
Dynamical Systems

In this talk, we explore a martingale approximation framework that provides quantitative…

Speaker: João S. Matias
FC1 007 and Online |
Algebra, Combinatorics and Number Theory

As a consequence of the Littlewood-Richardson  commuters coincidence and the Kumar-Torres…

Speaker: Olga Azenhas
FC1 007 and Online |
Algebra, Combinatorics and Number Theory

A reduced word for a permutation of the symmetric group is its own commutation class if it has…

Speaker: Diogo Soares
FC1 007 and Online |
Algebra, Combinatorics and Number Theory

We introduce the concept of a nonassociative (i.e. not necessarily associative) inverse…

Speaker: Mikhailo Dokuchaev
Online |
Geometry and Topology

I will present recent joint work with Jérémy Toulisse and Richard Wentworth on a differential…

Speaker: Brian Collier
FC1 007 and Online |
Algebra, Combinatorics and Number Theory

In the 1950’s Davenport, Mirsky, Newman and Rado proved that if the integers are partitioned by…

Speaker: Martino Garonzi

Past Seminars

Online seminar |
Algebra, Combinatorics and Number Theory

A Steiner triple system STS(v) is a set of triples of {1, 2, . . . , v} such that every pair of…

Speaker: Martino Garonzi
Online seminar |
Algebra, Combinatorics and Number Theory

If G is a finite group and k a field of characteristic p, the group algebra kG can be written…

Speaker: John MacQuarrie
Online Zoom meeting |
Semigroups, Automata and Languages

We consider the rational subset membership problem for Baumslag-Solitar groups.

Speaker: Georg Zetzsche
Online Zoom meeting |
Semigroups, Automata and Languages

Boolean inverse monoids and $MV$-algebras are both supposed to be generalizations of Boolean…

Speaker: Mark Lawson
Online Zoom meeting |
Semigroups, Automata and Languages

If $R$ is a finite commutative ring, then the affine monoid of…

Speaker: M. Hossein Shahzamanian
Online Zoom meeting |
Algebra, Combinatorics and Number Theory

Building on the classification of modules for algebraic groups with finitely many orbits on…

Speaker: Aluna Rizzoli
Online Zoom meeting |
Semigroups, Automata and Languages

We consider a natural generalization of the concept of order of a (torsion) element: the order…

Speaker: Enric Ventura
Online Zoom meeting |
Algebra, Combinatorics and Number Theory

A central polynomial of an algebra A is a polynomial in non-commutative…

Speaker: Carla Rizzo
Online Zoom meeting |
Semigroups, Automata and Languages

Classical Morita theory was first developed for rings with identity by Kiiti Morita.

Speaker: Valdis Laan
Online Zoom meeting |
Semigroups, Automata and Languages

Normality has been introduced by É. Borel more than one hundred…

Speaker: Olivier Carton
Online Zoom meeting |
CMUP Informal PHD Seminar

Riemann surfaces are the simplest spaces to which one can extend the tech…

Speaker: Pedro Miguel Silva
Online Zoom meeting |
Algebra, Combinatorics and Number Theory

Profinite groups in which the centralizer of any non-identity element  is abelian (i.e.,…

Speaker: Theo A. D. Zapata
Online Zoom meeting |
Semigroups, Automata and Languages

We provide a general framework for computing mixing times of finite Markov chains when its…

Speaker: Anne Schilling
Online Zoom meeting |
Algebra, Combinatorics and Number Theory

Given an extension L/K of number fields, we say that the Hasse norm principle (HNP) holds if…

Speaker: André Macedo
Online Zoom meeting |
Semigroups, Automata and Languages

The multiplicative semigroup $M_n(F)$ of $n\times n$ matrices over a field $F$ is well…

Speaker: Victoria Gould
Online Zoom meeting |
CMUP Informal PHD Seminar

This talk is about some special type of profinite presentations called ω-presentations…

Speaker: Herman Goulet Ouellet
Online Zoom meeting |
Semigroups, Automata and Languages

A variety of algebras is said to be finitely based if it has a finite basis of its identities. A…

Speaker: Sergey Gusev
Online Zoom meeting |
Semigroups, Automata and Languages

An inverse monoid $M$ is $F$-inverse…

Speaker: Karl Auinger
Online Zoom meeting |
CMUP Informal PHD Seminar

We will explain how Kan extensions give a concise construction of the nerve of an internal…

Speaker: Rui Prezado
Online Zoom meeting |
Semigroups, Automata and Languages

In this talk, I will discuss extensions of semigroups, which are defined using Eilenberg-…

Speaker: Mikołaj Bojańczyk