Miguel Donoso-Echenique
Upcoming talks

Measures, Rauzy graphs and finite approximations (talk based on this article by Doucha, Mellerey and Tsankov).
At Model theory and zero-dimensional dynamics reading seminar, Universität Münster, Germany, Nov. 2026.

Existence of non-sofic groups (talk aimed at understanding OpenAI's and subsequent human articles on the topic).
At Kleines Seminar, Universität Münster, Nov. 2026.


Past talks

Existence and (non-)uniqueness of invertible extensions of semigroup actions.
At Seminario de Sistemas Dinámicos de Santiago, Pontificia Universidad Católica de Chile, Chile, June 2026.

Sofic dimension of HNN extensions of groups.
At "Compartamos lo que sabemos de grupos" Seminar, Universidad de Chile, Chile, June 2026.

Direct finiteness of inverse semigroup C*-algebras.
At Kleines Seminar, Universität Münster, Germany, Jan. 2026.

Expansivity of algebraic actions and the convolution Banach algebra of a semigroup.
At Oberseminar C*-Algebren, Universität Münster, Germany, Oct. 2025.

Natural extensions of semigroup actions and applications to periodic approximations (online).
At Functional analysis, operator theory and dynamical systems research seminar, Universität Leipzig, Germany, Jan. 2025.