In the 1950’s Davenport, Mirsky, Newman and Rado proved that if the integers are partitioned by…
Seminars
Future and Ongoing Seminars
FC1 007 and Online |
Algebra, Combinatorics and Number Theory
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 007 and Online |
Algebra, Combinatorics and Number Theory
Chen, Erdős, and Staton asked in 1996 how many edges are required in an n-vertex graph to…
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 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
Room FC1 030, DMat-FCUP |
Semigroups, Automata and Languages
A numerical semigroup is just a subset of the nonnegative…
Speaker: Manuel Delgado
Room 1.09 |
Geometry and Topology
A discrete statistical model is a subset of a probability simplex. Its maximum likelihood…
Speaker: Eliana Gelvez
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 geometry
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
From Geometry to Algebra and back: geometric structures and representations of the fundamental group
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