Seminarium Zakładu Funkcji Rzeczywistych
5 Lipiec 2022
Seminar of the Division of Real Functions
Time and place: usually Tuesdays at 10:15 offline in room 130 xor online via MS Teams (if you are interested please contact email@example.com)
2022-07-11 (Monday!): Ondřej Zindulka (Czech Technical University in Prague), Meager-additive sets and topological diagonalization [offline]
Abstract: Is there a Galvin-Mycielski-Solovay-like characterization of meager-additive sets in terms of covers, analogous to the Borel’s definition of strong measure zero? For reals, with some effort, the problem can be solved with the aid of Shelah’s combinatorail characterization of meager-additive sets. However, for a Polish group the problem is much harder.