Chen, Erdős, and Staton asked in 1996 how many edges are required in an n-vertex graph to…
Seminars
Future and Ongoing Seminars
FC1 007 and Online |
Algebra, Combinatorics and Number Theory
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 1.09 |
Geometry and Topology
Abstract: I will review the application of Hamiltonian flows in imaginary time…
Speaker: João Luís Pimentel Nunes
FC1 007 and Online |
Algebra, Combinatorics and Number Theory
The Hasse principle is the idea that a Diophantine equation over the rational numbers should…
Speaker: Nuno Freitas
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
Online Zoom meeting |
Geometry and Topology
The Minimal Model Program (MMP) is a far reaching conjecture in birational geometry which aims…
Speaker: Tiago Duarte Guerreiro
FC1 029 |
Algebra, Combinatorics and Number Theory
(This is joint work with J. Delgado and M.
Speaker: Enric Ventura
FC1 029 |
General seminar of CMUP
In this talk we will present new aspect of Frobenius manifolds.
The Frobenius manifolds…
Speaker: Noémie Combe
Online Zoom meeting |
Semigroups, Automata and Languages
The center of a group consists of all elements which commute with everything.
Speaker: David Stanovský
Geometry and Topology
We recall the construction of a fundamental differential system of Riemannian geometry and…
Speaker: Rui Albuquerque
FC1 007 |
Algebra, Combinatorics and Number Theory
The classification of simple modules for a simple Lie algebra $\mathfrak{g}$ seems beyond reach…
Speaker: Eduardo Monteiro Mendonça
FC1.031 |
Geometry and Topology
Consider a holomorphic foliation F on a complex manifold.
Speaker: Lucas Kaufmann
Online Zoom meeting |
Semigroups, Automata and Languages
In this talk I will present ultimate periodicity properties related to overlaps between the…
Speaker: Conceição Nogueira
Online Zoom meeting |
Semigroups, Automata and Languages
The Dehn function for a semigroup or group $M$…
Speaker: Carl-Fredrik Nyberg brodda
Room FC1 0.31 |
Geometry and Topology
This talk will be an overview on Higgs bundles moduli spaces and on the geometry of the…
Speaker: André Oliveira
FC1 030 |
Algebra, Combinatorics and Number Theory
We introduce the Jordan-strict topology on the multipliers algebra of a JB*-algebra.
Speaker: Jorge Garcés
FC1 030 |
Algebra, Combinatorics and Number Theory
In 2004, Fit-Florea and Matula presented an algorithm for computing the discrete logarithm…
Speaker: Bianca Sosnovski
Room 0.05 |
Geometry and Topology
Moduli spaces of tropical objects can often be obtained as tropicalization of suitable…
Speaker: Margarida Melo and Filippo Viviani
Online Zoom meeting |
Semigroups, Automata and Languages
Wang tilings is an important class of tilings…
Speaker: Sébastien Labbé
FC1 029 |
Algebra, Combinatorics and Number Theory
A transposed Poisson algebra is a triple $(\mathcal{L},\cdot,[\cdot,\cdot])$…
Speaker: Mykola Khrypchenko
Geometry and Topology
We describe the geometry and the topology of generalized polygon spaces with “edges” in…
Speaker: Carlos Florentino
Online Zoom meeting |
Semigroups, Automata and Languages
In a 2013 paper with S. Puzynina and L.
Speaker: Anna Frid
Online Zoom meeting |
Semigroups, Automata and Languages
An inverse monoid is called special if it is defined by a presentation where all the defining…
Speaker: Robert Gray
FC1.004 |
CMUP Informal PHD Seminar
In this talk we present some lemmas concerned with a recent work about zeros of shifted…
Speaker: Pedro Ribeiro
Online Zoom meeting |
Semigroups, Automata and Languages
The associative spectrum was introduced by Csákány and Waldhauser in 2000 and has appeared in…
Speaker: Erkko Lehtonen