Recent and upcoming talks by Yuan Yuan Zheng

Yuan Yuan Zheng: Moderately-abstract parametrized Ellentuck theorem

Place: Fields Institute (Room 210) Date: September 15, 2017 (13:30-15:00) Speaker: Yuan Yuan Zheng Title: Moderately-abstract parametrized Ellentuck theorem Abstract: Mimicking the parametrized Ellentuck theorem in the Ellentuck space and the parametrized Milliken theorem in the Milliken space, we present a ‘moderately abstract’ parametrized theorem for ‘moderate’ topological Ramsey spaces. continue reading…

Yuan Yuan Zheng: The Ehrenfeucht Game

Place: Fields Institute (Room 210) Date: April 7, 2017 (13:30-14:15) Speaker: Yuan Yuan Zheng, University of Toronto Title: The Ehrenfeucht Game Abstract: The Ehrenfeucht Game is interesting in its own right as a game. continue reading…

Yuan Yuan Zheng: Selective Ultrafilters on FIN

Place: Fields Institute (Room 210) Date: March 11 , 2016 (13:30-15:00) Speaker: Yuan Yuan Zheng Title: Selective Ultrafilters on FIN Abstract: We give a definition of selective ultrafilters on the collection FIN of all finite nonempty subsets of the set N of natural numbers. continue reading…