Recent and upcoming talks by Grigory Mashevitzky

Grigory Mashevitzky: Action of endomorphism semigroups on definable sets

​​​​BGU seminar in Logic, Set Theory and Topology Time: Tuesday, May 9th, 12:15-13:30. Place: Seminar room -101, Math building 58. Speaker: Grigory Mashevitzky (BGU) Title: Action of endomorphism semigroups on definable sets Abstract: I plan to discuss the construction, examples and some applications the Galois-type correspondence between subsemigroups of the endomorphism semigroup End(A) of an algebra A and sets of formulas. continue reading…

Grigory Mashevitzky: On the action of endomorphisms of an algebra A on the definable subsets over A

Tuesday, June 11, we continue our seminar in Logic, Set Theory and Topology. Time is 16:00 – 17:30. Place: seminar room 201 of Mathematics Department. Speaker: Mashevitzky Grigory (BGU) Title: On the action of endomorphisms of an algebra A on the definable subsets over A. continue reading…

Grigory Mashevitzky: On finitely generated semigroup varieties.

Shalom, On Tuesday, April 23, we continue our seminar in Logic, Set Theory and Topology. Time is 16:00 – 17:30. Place: seminar room 201 of Mathematics Department. Speaker: Mashevitzky Grigory (BGU) Title: On finitely generated semigroup varieties. continue reading…