Wednesdays, 10:10-12:00

This is an in-person seminar in room 403 at IMPAN in Warsaw

Organized by Sebastiano Thei and Otto Rajala

Schedule Autumn 2026

Titles and abstracts below

Date Speaker Affiliation
September 30 Jan Kostrzon University of Warsaw
October 7 no seminar
October 14 Arijeet Mishra University of Gdansk
October 21 no seminar
October 28 Umutcan Kaya University of Warsaw
November 4 Grigorii Stepanov TU Wien, Austria
November 11 no seminar
November 18 M. Catalina Torres University of Barcelona, Spain
TU Wien, Austria
November 25 Ronnie Chen University of Warsaw
December 2 Matteo Viale University of Torino, Italy
December 9 Tomasz Żuchowski IMPAN


Arijeet Mishra (University of Gdansk) 14-10-2026

  • Title: Berkeley Cardinals and Full Normalization of Mouse Pairs
  • Abstract: In this talk, I will briefly explain full normalization of mouse pairs and also a related result which is required to establish Berkeleyness of all regular uncountable cardinals below \Theta.

Jan Kostrzon (University of Warsaw) 30-09-2026

  • Title: An overview of minimal model of determinacy satisfying 'all sets are universally baire'
  • Abstract: I will present a type of derived model of the form L^F(P(R)). I will explain F predicate, and basic properties of the model. I will also present my current working question about the model: extending classical theorem on embedding of determinacy model into derived model of its HOD.