Club isomorphisms on higher Aronszajn trees

Seminar
Speaker
Roy Shalev (BIU)
Date
09/02/2023 - 16:00 - 14:00Add to Calendar 2023-02-09 14:00:00 2023-02-09 16:00:00 Club isomorphisms on higher Aronszajn trees We will present the result of Krueger that assuming an ineffable cardinal it is consistent that CH holds and for any two normal countably closed $\omega_2$-Aronszajn trees are club-isomorphic. Building 216, Room 201 אוניברסיטת בר-אילן - Department of Mathematics mathoffice@math.biu.ac.il Asia/Jerusalem public
Place
Building 216, Room 201
Abstract

We will present the result of Krueger that assuming an ineffable cardinal it is consistent that CH holds and for any two normal countably closed $\omega_2$-Aronszajn trees are club-isomorphic.

Last Updated Date : 31/03/2023