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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 Zoom meeting |
Semigroups, Automata and Languages

Motivated by the recent surge of interest in the concept of injective C*…

Speaker: Ruy Exel
Online Zoom meeting |
Semigroups, Automata and Languages

This presentation will focus on extending the theory of formations of groups to inverse…

Speaker: Isabel J. Nobre
Online seminar |
Algebra, Combinatorics and Number Theory

A Kirkman Triple System (KTS) is called $m$-pyramidal if there exists a subgroup $G$ of its…

Speaker: Martino Garonzi
Seminário online |
Algebra, Combinatorics and Number Theory

Seguindo a ideia no artigo de Hu e Vercruysse [1], introduzimos morfismos parciais em uma…

Speaker: Francisco Gabriel Klock Campos Vidal
Seminário online |
Geometry and Topology

We consider germs of holomorphic vector fields at the origin in…

Speaker: Fernando Peirera Paulucio Reis
FC1 003 (and online) |
Algebra, Combinatorics and Number Theory

Let us consider the action of the general linear group $\mathrm{GL}_n(\mathbb{C})$ on the direct…

Speaker: Xabier García Martínez
FC1.031 |
Dynamical Systems

We show that quenched limiting hitting distributions are
compound Poisson distributed for…

Speaker: Lucas Amorim
Online seminar |
Algebra, Combinatorics and Number Theory

In this talk we present some properties of generalized torsion elements in groups.

Speaker: Raimundo de Araújo Bastos Júnior
Online Zoom meeting |
Geometry and Topology

We first investigate the interconnection of invariants of certain group actions and time-…

Speaker: Valerij Romanovskij
FC1 0.30 |
Geometry and Topology

Likelihood Geometry is the geometric study of the maximum likelihood estimation problem to an…

Speaker: Maximilian Wiesmann
Online Zoom meeting |
Semigroups, Automata and Languages

Numerical semigroups are the cofinite subsemigroups of the…

Speaker: Neeraj Kumar
Online seminar |
Algebra, Combinatorics and Number Theory

The Grassmann convexity conjecture by B. Shapiro and M. Shapiro admits
several equivalent…

Speaker: Nicolau Saldanha
Online Zoom meeting |
Geometry and Topology

Any Poisson bracket on a differentiable manifold can be written locally as the sum of two…

Speaker: Jorge Vitório Pereira
Online Zoom meeting |
Semigroups, Automata and Languages

In his paper from 2012, Nicolas Thiéry gives a formula for…

Speaker: Balthazar Charles
Seminário online |
Algebra, Combinatorics and Number Theory

Vamos considerar a conectividade de coberturas por dominós usando movimentos locais.

Speaker: Raphael de Marreiros
Room FC1.031, Mathematics Department, FCUP |
Algebra, Combinatorics and Number Theory

 

Speaker: Yiqiang Zhou
Online Zoom meeting |
Geometry and Topology

The tunneling effect predicted by B.Josephson (Nobel Prize, 1973) concerns the Josephson…

Speaker: Alexey Glutsyuk
FC1 0.31 |
Geometry and Topology

A tangle T is a pair formed by a ball and collection of properly embedded disjoint arcs in B.…

Speaker: João Nogueira
Online Zoom meeting |
Semigroups, Automata and Languages

A ring $R$ is called Dedekind finite (or directly finite) if it…

Speaker: Benjamin Steinberg
Room FC1.031, Mathematics Department, FCUP |
Algebra, Combinatorics and Number Theory

We aim to study Morita theory for tensor triangulated categories.

Speaker: Yuying Xu