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Seminars

Future and Ongoing Seminars

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
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 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

Past Seminars

Room FC1.108 |
CMUP Informal PHD Seminar

In this talk, we will explore some of the possible connections between (abstract) simplicial…

Speaker: Inês Couto
Room 1.09 |

Let $X$ be a smooth complex projective curve and let $x\in X$ be a point. We compute the…

Room 1.08 |
Geometry and Topology

While it is well known that the moduli space of $G$-bundles over a smooth projective curve is…

Speaker: Emilio Franco
Room FC1.029 |
CMUP Informal PHD Seminar

We explain how deformations of a parabolic bundle ξ are given by the vector…

Speaker: Rui Prezado
Room FC1.029 |
Research Seminar Program (UC|UP MATH PhD program)

Program:

Room 1.08 |
Geometry and Topology

With $G=GL(n,\mathbb{C})$, let $\mathcal{X}_{\Gamma}G$ be the $G$-character variety of a given…

Speaker: Alfonso Zamora
Room 1.09 |
Geometry and Topology

Hyperpolygons spaces are a family of (finite dimensional, non-compact) hyperkähler spaces, that…

Speaker: Alessia Mandini
Room FC1.108 |
CMUP Informal PHD Seminar

Geodesic completeness for Pseudo-Riemannian manifolds: A dynamical approach for problems in…

Speaker: Ahmed Elshafei
Room FC1 030, DMat-FCUP |
Semigroups, Automata and Languages

The idea of using geometric objects to represent subgroups of the free
group goes back to…

Speaker: Jordi Delgado
FC1 0.29 |
Singular Seminar

Mathematics was developed as a strong research instrument with fully verifiable argumentations…

Speaker: Juraj Hromkovic
Room FC1.108 |
CMUP Informal PHD Seminar

In this talk I will shortly present a recent result from our team.

Speaker: Luísa Castro
Room FC1.108 |
CMUP Informal PHD Seminar

A geometric structure is a local modeling of a manifold M on a specified space X with prescribed…

Speaker: Pedro Silva
Room 1.09 |
Geometry and Topology

In Donagi-Pantev's programme to deduce geometric Langlands from its abelianised version, wobbly…

Speaker: Ana Peón-Nieto
Room FC1.108 |
CMUP Informal PHD Seminar

There are 3684030417 non-isomorphic semigroups of order 8 (according to entry A027851 of OEIS),…

Speaker: Herman Goulet-Ouellet
Room 1.09 |
Geometry and Topology

In this talk we discuss deformations of Lie groupoids and introduce the cohomology which…

Speaker: João Nuno Mestre
Room FC1 030, DMat-FCUP |
Semigroups, Automata and Languages

Groups of automorphisms of $d$-…

Speaker: Marialaura Noce
Room 1.08 |
Geometry and Topology

For a semisimple real Lie group $G$, parabolic $G$-Higgs bundles over a punctured Riemann…

Speaker: Georgios Kydonakis
Room 1.09 |
Geometry and Topology

Hitchin moduli spaces are non-compact hyperkähler manifolds parameterising solutions of gauge-…

Speaker: Tom Sutherland
Room FC1 030, DMat-FCUP |
Semigroups, Automata and Languages

We study a class of morphisms between two-sided restriction semigroups which we call {\it proper…

Speaker: Mykola Khrypchenko
Room 1.09 |
Geometry and Topology

During the first half of the talk I will give a survey about the Hitchin connection on the sheaf…

Speaker: Christian Pauly