We investigate finite and profinite groups with the Magnus property, where a group is said to…
Future and Ongoing Seminars
In this talk, we explore a martingale approximation framework that provides quantitative…
As a consequence of the Littlewood-Richardson commuters coincidence and the Kumar-Torres…
A reduced word for a permutation of the symmetric group is its own commutation class if it has…
We introduce the concept of a nonassociative (i.e. not necessarily associative) inverse…
I will present recent joint work with Jérémy Toulisse and Richard Wentworth on a differential…
In the 1950’s Davenport, Mirsky, Newman and Rado proved that if the integers are partitioned by…
Past Seminars
We are interested in equivariant embeddings of homogeneous spaces. Given the standard action…
Sasaki manifolds are the odd dimensional analogues of Kähler manifolds. In this talk, I will…
Site do seminário: https://www.mat.uc.pt/~pgsfop/index.html
Live streamed at https://fc-up…
On a symplectic manifold $M$ with a hamiltonian action by a group $K$, it is natural to perform…
Endowed with the operation of setwise multiplication induced by a multiplicatively written…
After reviewing the formalism of Simpson's shapes for the non-abelian Hodge theory associated to…
In a work in progress with Gabriel …
Weighted automata were designed by M.-P. Schützenberger to recognize languages beyond regular…
The topic of this talk is the transformation of rational expressions into finite automata, a…
A seminal paper published in 2012 by Berstel et al.
The Minimal Model Program (MMP) is a far reaching conjecture in birational geometry which aims…
(This is joint work with J. Delgado and M.
In this talk we will present new aspect of Frobenius manifolds.
The Frobenius manifolds…
The center of a group consists of all elements which commute with everything.
We recall the construction of a fundamental differential system of Riemannian geometry and…
The classification of simple modules for a simple Lie algebra $\mathfrak{g}$ seems beyond reach…
Consider a holomorphic foliation F on a complex manifold.
In this talk I will present ultimate periodicity properties related to overlaps between the…
