In this talk, I intend to give a view of the contents of the book…

**PROGRAM**

We give an introduction on the Brauer-Manin obstruction to the…

One may wonder what are the 'most frequent' properties of finitely…

This talk will be about a project aiming to illustrate geometry…

The five-element semigroups $A_2$…

Let $k$ be an algebraicallly closed field of characteristic $p\geq…

The complexity of the singular fibers of the Hitchin system stems…

We say that a regular semigroup $S$ is weakly generated by a set $X…

Descent theory is the study of local-to-global problems.

This talk concerns *numerical semigroups*, i.e. cofinite…

In 1875, Smith computed the determinant of the $…

Let $G$ be a subgroup of $S_n$. What can be said on the number of…

Point vortices are singular solutions of the 2-dimensional…

Two of the most important and fundamental results in the…

The study of algebras of partial functions is an active area of…

**Speaker** Alexandre RODRIGUES (…

A celebrated theorem of B. H.

Coarse median spaces and groups were introduced by Bowditch…

If $W$ is a set of words in the…