The classification of tuples of matrices up to simultaneous conjugation is a classical problem…
Seminars
Future and Ongoing Seminars
FC1 007 (and online) |
Algebra, Combinatorics and Number Theory
Speaker: Rustam Turdibaev
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
How much does the universal enveloping algebra of a Lie algebra remember about the Lie algebra…
Speaker: Ricardo Campos
Past Seminars
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
Online Zoom meeting |
Semigroups, Automata and Languages
We will consider the computational complexity of decision problems in which we are given a set…
Speaker: Trevor Jack
Online Zoom meeting |
CMUP Informal PHD Seminar
The main goal of this talk is to present a geometric version of the bounded cancellation…
Speaker: André Carvalho
Online Zoom meeting |
Semigroups, Automata and Languages
The subgroup membership problem for a group $G$ asks whether a given group element $g$ from $G$…
Speaker: Markus Lohrey
Online Zoom meeting |
Semigroups, Automata and Languages
We discuss expansions of monoids in the class of two-sided restriction monoids.
Speaker: Ganna Kudryavtseva
Online Zoom meeting |
CMUP Informal PHD Seminar
Sarcasm aside, in this talk we are going to take a look into a well-established theory of…
Speaker: Raquel Couto
Online Zoom meeting |
Semigroups, Automata and Languages
The twisted Brauer monoid $\mathcal{W}_n$ is the monoid generated by $s_1,\dots,s_{n-1},h_1,\…
Speaker: Mikhail V. Volkov
Online Zoom meeting |
Semigroups, Automata and Languages
Given a group defined by a presentation with a single defining relation $w=1…
Speaker: Robert Gray
Online Zoom meeting |
Semigroups, Automata and Languages
The study of Leavitt path algebras developed from foundational…
Speaker: John Meakin
Online Zoom meeting |
Semigroups, Automata and Languages
The notion of pointlike sets provides a way to “measure the essential…
Speaker: Samuel Herman