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Most seminars in this series are online-streamed. More information at

June, 19 2024
Sean Lawton (George Mason Univ., USA)
The SU(2,1)-character variety of the 1-holed torus

June, 18 2024
Ángel González Prieto (Univ. Complutense, Madrid)
Character Varieties of Knots 

June, 12 2024
Mahir Bilen Can (Tulane University, USA)
Metamorphosis of a Combinatorial Curiosity 

April, 8 2024
Florian Pausinger (Queen´s University, Belfast)
On open problems and selected applications of uniform distribution theory

Jan, 10 2024
Miguel Moreira (MIT, USA)
The cohomology ring of moduli spaces of 1-dimensional sheaves on P^2

4 dez 2023
Jonathan Bradley-Trush (GFM, starting January 2024)
Elliptic functions and identities between basic hypergeometric series

16 out 2023
João Baptista
Internal symmetries in Kaluza-Klein models

6 jul 2023
Vicente Muñoz (Univ. Complutense, Madrid)
A Smale-Barden manifold admitting K-contact but not Sasakian structure

4 jul 2023
Luca Scala (UFRJ, Brasil & Univ. Lusófona)
Cohomology of tautological boundles on Hilbert schemes of point and related problems

22 jun 2023
Azizeh Nozad (IPM, Iran)
Serre polynomials of character varieties of free groups

20 jun 2023
Vadim Lebovici (Univ. Paris-Sud & E.N.S)
Euler calculus and its applications

16 May 2023
Wilhelm Schlag  (Yale University)
Lyapunov exponents, Schrödinger cocycles, and Avila’s global theory

11 May 2023
Giosuè Muratore (CMAFcIO)
Enumeration of rational contact curves: the irreducible case

18 April 2023
Leonardo Santilli (Yau Mathematical Sciences Center)
Quivers counting monster potentials

28 Mar 2023
Xavier Blot (GFM, Universidade de Lisboa)
The quantum Witten-Kontsevich series

28 Fev 2023
Gonçalo Oliveira (IST, Universidade de Lisboa)
From electrostatics to geodesics in K3 surfaces

30 Jan 2023
Jean Douçot (GFM, Universidade de Lisboa)
Isomonodromic deformations and generalised braid groups

6 Dez 2022
Davide Guzzetti (SISSA, Italy)
Introduction to isomonodromy deformations and applications

9 Jun 2022
Daniel Barlet (Institut E. Cartan, Universidade de Nancy, Lorraine)
On Principal Value and Standard Extension of Distributions

29 Oct 2021
Giosuè Muratore (CMAFcIO)
Enumeration of rational contact curves via torus actions

28 Fev 2020
Ana Cristina Casimiro (Universidade Nova de Lisboa)
Schottky Representations and Principal Bundles

14 Nov 2019
Stephan Klaus  (M. F. I. Oberwolfach)
Solid r-twisted Moebius strips as real algebraic surfaces 

18 Oct 2019
Ana Margarida Melo (Univ. de Roma e Univ. de Coimbra)
(Universal) Compactified Jacobians

19 Jul 2019
Joana Nunes da Costa (Universidade de Coimbra)
Nijenhuis forms on Lie-infinity algebras

19 Jul 2019
Jaime Silva (CMUP)
Motifs of character varieties

14 Jun 2019
Rosa Sena-Dias (IST, ULisboa)
Extremizing the ground state  under symmetries

17 May 2019
Maria Elisa Fernandes (University of Aveiro)
Locally Sherical Hypertope

12 April 2019
Rui Albuquerque (Universidade de Évora, CIMA)
A new integral invariant for hypersurfaces in space-forms 

15 Mar 2019
Daniel Barlet (Inst. Élie Cartan, Lorraine)
On the left ideals which annihilate respectively all trace funcions and all trace forms

22 Fev 2019
Luisa Fiorot (Università degli Studi di Padova)
Relative Strongly Regular Holomonic D-Modules

8 Fev 2019
Herwig Hauser (Universidade de Viena)
An unsolved exercise on polynomials in one variable: The Casas Alvero Conjecture

29 Jan 2019
Rui Pacheco (CMA-UBI, Universidade da Beira Interior)
Harmonic Surfaces in the Cayley Plane 

7 Dec 2018
Carlos Florentino (CMAFcIO, Universidade de Lisboa)
Quotients in Algebraic Geometry, Quiver Representations and Character Varieties

26 Oct 2018
Fátima Silva Leite (Universidade de Coimbra)
Some aspects of geometric control theory

25 Set 2018
Gilles Lebeau (Université de Nice Sophia-Antipolis)
Spectral inequalities for the Schrodinger operator

29 Jun 2018
Luisa Fiorot (Università degli Studi di Padova)
Flops and derived categories via n-tilting torsion classes

4 Mai 2018
Jorge Vitória (City University of London)
Grothendieck hearts and derived equivalences

30 Apr 2018
Vicente Muñoz Velázquez (Univ. Complutense, Madrid)
K-contact and Sasakian manifolds of dimension 5

23 Mar 2018
Rui Albuquerque (Univ Évora)
Applications of a fundamental exterior differential system

3 Mar  2018
Daniel Barlet (Inst. Élie Cartan, Lorraine)
Intersection theory in a nearly-smooth complex space

15 Mar 2018
Rafayel Teymurazyan (CMUC, Universidade de Coimbra)
Homogenization of obstacle problems in Orlicz-Sobolev spaces

2 Fev 2018
Herwig Hauser (Fakultät für Mathematik, Universität Wien)
Working with singularities

19 Jan 2018
Marco Silva Mendes (FCUL)
Moduli for Legendrian Curves