Dear all, The seminar meets on Wednesday September 19th at 11:00 in the Institute of Mathematics CAS, Zitna 25, seminar room, 3rd floor, front building. Program: MichaĆ Korch -- The class of perfectly null sets and its transitive version (joint work with Tomasz Weiss) The ideals of universally null sets (UN, sets which are null… ...

https://settheory.mathtalks.org/wednesday-seminar-30/