Towards a homological Kitaev model by Ulrich Krähmer (Dresden)
Future and Ongoing Seminars
In this talk, we present an overview of modern Iterated Function System (IFS) theory,…
Past Seminars
In this talk, I will discuss extensions of semigroups, which are defined using Eilenberg-…
We will consider the computational complexity of decision problems in which we are given a set…
The main goal of this talk is to present a geometric version of the bounded cancellation…
The subgroup membership problem for a group $G$ asks whether a given group element $g$ from $G$…
We discuss expansions of monoids in the class of two-sided restriction monoids.
Sarcasm aside, in this talk we are going to take a look into a well-established theory of…
The twisted Brauer monoid $\mathcal{W}_n$ is the monoid generated by $s_1,\dots,s_{n-1},h_1,\…
Given a group defined by a presentation with a single defining relation $w=1…
The study of Leavitt path algebras developed from foundational…
The notion of pointlike sets provides a way to “measure the essential…
I will present the latest development in my quest to understand whether the free product of two…
Program of the session:
10h30-10h45 - Virtual Reception: Carla…
A positive integer $n$ is said to be a finitistic order for an element $u$ of a group $F$ if…
Program of the session:
10h30-10h45 - Virtual Reception: André…
We prove a noncommutative generalisation…
We consider two-variable first-order logic $\mathop{\mathrm{FO}}^2$…
It is a consequence of Higman's embedding theorem that the additive group $\mathbb{Q}$ of…
The starting point for the ideas in this talk is that the Plactic monoid admits several…
Since the 1980s, inverse semigroups and groupoids have been important tools to study $C^*$-…
The problem of computing the abelian kernel of a finite semigroup was first solved by Delgado…