Seminars

Given a flow on a manifold, how to perturb it in order to create a periodic orbit passing…

We shall talk on conjugacy separability of standard arithmetic subgroups of a special orthogonal…

I shall discuss prosoluble subgroups of free profinite products towards a complete…

The ring of differential operators on a cuspidal curve whose coordinate ring is a numerical…

Moduli spaces and moduli stacks of bundles depend on several parameters for their construction…

Oscillator networks, including neuronal ensembles, can exhibit multiple cooperative rhythms such…

I will discuss some recent forays into some counting problems for free objects. I will focus on…

Calabi-Yau metrics can degenerate in a …

We will discuss solutions to Problems 6.4, 6.10, 6.21, and 6.22 from the paper "Four…

The rank versus genus conjecture, proposed by Waldhausen in 1978, asks whether the rank of the…

We deal with the question of the $\omega$-reducibility of pseudovarieties of ordered monoids.

Given a free group F and…

We study a class of one-dimensional full branch maps admitting two indifferent fixed points as…

Let $H$ be a monoid (written multiplicatively).

The unipotent flow on the unit tangent bundle of the modular surface is a classic example of a…

Just as groups are algebraic models of symmetry, inverse semigroups capture the notion of…

Dynamical systems generated by scalar reaction-diffusion equations enjoy special properties that…

What is the expected number of iterates of a point needed for a plot of these iterates to…

It is well-known that the subword complexity of an automatic sequence grows at most linearly,…

Given a group $G$ acting on a set $X$, an element $g$ of $G$ is called a derangement if it…