## Selected international talks

*Minicourse on C*-algebras, their diagonals and (inverse) semigroup actions*, Topics in Geometric Semigroup Theory, University of York, June 2022.*Inverse semigroups of asymptotic dimension 0 and their uniform Roe algebras*, Topics in Geometric Semigroup Theory, University of York, June 2022.*Exactness and geometric properties of inverse semigroups*, Non-commutativity in the North, Göteborgs Universitet, March 2022 (slides).*C* vs. coarse properties of inverse semigroups*, Analysis seminar, University of Glasgow, October 2021 (slides).*C* and geometric properties of inverse semigroups*, NYC online non-commutative geometry seminar, October 2021 (slides).*Inverse semigroups, their non-group-like geometries and their amenability and property A*, Web-seminar de Algebras de Operadores, Universidade de Santa Catalina, September 2021 (slides).*Schützenberger graphs and property A, or how to see exactness of the reduced C*-algebra*, C*-algebras and geometry of groups and semigroups, University of Oslo, March 2021 (slides).*Amenability and coarse geometry of (inverse) semigroups and C*-algebras*, thesis defense at UC3M and ICMAT, Spain, March 2021 (slides).*Non-group like metrics appearing in group-like objects*, UK Virtual Operator Algebras Seminar, United Kingdom, December 2020 (slides).*Some quasi-isometric invariants for inverse semigroups*, Online semigroup seminar, University of York, April 2020 (slides).*Coarse geometry and inverse semigroups*, Colloquium in the math department of University of Montana, November 2019 (slides).*Traces in inverse semigroup Roe algebras*, YMC*A, University of Copenhagen, August 2019*Amenability in inverse semigroups*, SandGAL-2019, Cremona, July 2019 (slides).*Amenability in inverse semigroups and C*-algebras*, II Joint Meeting Brazil-Spain in Mathematics, Cádiz, December 2018 (slides).

## Some local seminar talks

*The D-m invariant*, Reading seminar on Cantor minimal systems in WWU Münster, June 2022.*Invariance of entropy under Shannon orbit equivalence for p.m.p. actions of the integers*, Reading seminar on entropy theory in WWU Münster, June 2022.*The Boutonnet-Houdayer non-commutative Nevo-Zimmer Theorem, part 2*, Kleine seminar in WWU Münster, January 2022.*Three properties from three perspectives of inverse semigroups*, WWU Münster, October 2021.*Inverse semigroups as a framework for quasi-diagonality*, WWU Münster, October 2021.*Amenability and coarse geometry of (inverse) semigroups and C*-algebras*, thesis predefense, Q-math research group, UC3M, February 2021.*Ultra-stuff*, Júnior Seminar at ICMAT-UAM-UCM-UC3M, February 2021, Madrid, Spain*An introduction to Connes' Embedding Problem*, MIP*=Re online seminar, Technische Universität Munchën, Germany, December 2020 (notes).*Quasi-diagonality vs amenability of discrete groups*, Group theory seminar, UAM-ICMAT, March 2020.*Quasi-diagonality and approximation of operators*, Junior seminar, ICMAT-UAM-UCM-UC3M, March 2020.*Amenability in inverse semigroups and C*-algebras*, Q-math research group, UC3M-ICMAT 2018*Esquemas piramidales y porqué deberíamos pagar menos por las naranjas*, outreach talk (slides).