Recent talks and events:

 

·        ICMS workshop Applications of operator algebras: order, disorder and symmetry, Jun 26 – 30, 2017, Edinburgh, UK,  Etale categories, Ehresmann quantales and restriction semigroups 

 

·        Facets of irreversibility: inverse semigroups, groupoids and  operator algebras, December 4 –  8, 2017, Oslo, Norway,  A perspective on non-commutative frame theory

 

·        Non-commutative structures 2018: a workshop in honor of Jonathan Leech, Portorož, Slovenia, May 24-27, 2018, Skew Boolean algebras

 

·        International conference on semigroups  on the occasion of Maria Szendrei's 65th birthday, Lisbon, Portugal, July 11-14, 2018, On expansions of monoids

 

·        AAA97 Workshop on general algebra, Vienna, Avstria, March 1-3, 2019, F-inverse monoids in enriched signature

 

·        SandGAL 2019 Semigroups and Groups, Automata, Logic, Cremona, Italy, June 10 - 13, 2019, Partial actions and proper extensions of two-sided restriction semigroups

 

·        TACL 2019 Topology, Algebra, and Categories in Logic, Nice, France, June 17 – 21, 2019, Stone dualities between etale categories and restriction semigroups

 

·        Higher rank graphs: geometry, symmetry, dynamics, ICMS workshop, Edinburgh, Scotland, UK, July 15 - 17, 2019.

 

·        International Conference on Semigroups and Applications ICSAA 2019, Cochin, Kerala, India, December 9 – 12, 2019, Intermediate quotients of the Booleanization of an inverse semigroup

 

·        Kyiv Algebra 2020, International conference dedicated to the 60^th anniversary of the Algebra Department of Kyiv University, July 14-17, 2020, online,  F-inverse monoids in enriched signature, youtube video (32 min)

 

·        13^th Algebraic Conference in Ukraine,  July 6--9, 2021, online, Boolean inverse semigroups, youtube video (27 min)

 

·        ICSAOT 2022: International Conference on Semigroups, Algebras, and Operator Theory, in honor of Professor P. G. Romeo (Cochin, India),  March 28-31, 2022, online, Restriction semigroups and their etale categories

 

·        Spring Western Sectional Meeting of the AMS, special session on Recent Trends in Semigroup Theory, online, May 14-15, 2022, Proper Ehresmann semigroups

 

·        Seminar for Algebra of the University of Tartu, Estonia, May 17, 2022, Restriction semigroups and their etale categories

 

·        AAA102, Workshop on General Algebra, Szeged, Hungary, June 24-26 2022, Proper Ehresmann semigroups

 

·        Second Antipode Workshop 2022, Brussels, Belgium, September 12 and 13, 2022, Partial actions in semigroup theory

 

·        Algebra, Geometry and C*-algebras, ICMS workshop, Edinburgh, Scotland, UK, June 18-24, 2023

 

·        AAA103  (The 103rd Workshop on General Algebra), Tartu, Estonia, June, 9--11, 2023

 

·        TCA 2023 (Theoretical and Computational Algebra 2023), Pocinho, Portugal, July 4--8, 2023 (organized a thematic session on Partial actions)

 

·        AAA105, Prague, Czech Republic, May 31 – June 2, 2024, A new approach to universal F-inverse monoids in enriched signature

 

·        BMC 2024 and the NBSAN meeting, Manchester, UK, June 17--21, 2024

·        TACL 2024, Barcelona, Spain, July 1--5, 2024

·        Seminar for noncommutative geometry and topology, Prague, November 26, 2024 (forthcoming)