Lindenbaum-type logical structures: introduction and characterization, Logic Webinar @IITK, organized by IIT Kanpur, 17th September.
Lindenbaum-type logical structures, Logica Universalis Webinar (virtual), 15th February, (doi).
Rule-elimination theorems, Logica Universalis Webinar (virtual), 25th September, (doi).
Abstract model structures and the compactness theorem, From the Logical Point of View, HSE University, Moscow, Russia, 19th November.
On Abstract Paraconsistency, Seminar of the Logical Center of the IPh RAS, Institute of Philosophy of the Russian Academy of Sciences, Moscow, Russia, 11th December.
On Abstract Paraconsistency, World Logic Day by ALI (virtual), 24th January.
Abstract model structures and the compactness theorem, Modern Problems of Mathematical Logic, Department of Mathematics, HSE University, Moscow, Russia, 20th February.
On Ecumenical Combination(s?) of Logics, Indraprastha Institute of Information Technology, Delhi, Delhi, India, 20th March.
Themes from Universal Logic, Spring School in Logic, Linguistics and Formal Philosophy, HSE University, Moscow, Russia, 23rd March–28th March.