Recent and upcoming talks by Jonathan Verner

Jonathan Verner: Coloring metric spaces

Dear all, The seminar meets on Wednesday December 6th at 11:00 in the Institute of Mathematics CAS, Zitna 25, seminar room, 3rd floor, front building. Program: Jonathan Verner — Coloring metric spaces: A report from the oracle “I will present a short and elegant argument, due to S. continue reading…

Jonathan Verner: A Ramsey Theorem for metric spaces

Invitation to the Logic Seminar at the National University of Singapore Date: Wednesday, 16 November 2016, 17:00 hrs Room: S17#04-05, Department of Mathematics, NUS Speaker: Jonathan Verner Title: A Ramsey Theorem for metric spaces Abstract: attached. continue reading…

Infinite Combinatorics and Forcing Theory, Kyoto, November 28 – December 1, 2016

RIMS Workshop on Infinite Combinatorics and Forcing Theory November 28 – December 1, 2016 at the Research Institute for Mathematical Sciences (RIMS), Kyoto University The workshop website: http://www.ipc.shizuoka.ac.jp/~styorio/rims16/index.html Tutorial speakers: Natasha Dobrinen (University of Denver), Ramsey theory in forcing Yinhe Peng (University of Toronto), Negative partition relations on $\omega_1$ Speakers: Jörg Brendle (Kobe University), Maximal trees Fabiana Castiblanco (Universität Münster), Preserving sharps by tree forcings David Chodounsky (Institute of Mathematics of the Czech Academy of Science), Mathias-Prikry forcing and generic ultrafilters Sakaé Fuchino (Kobe University), Reflection theorems on non-existence of orthonormal bases of pre-Hilbert spaces Daisuke Ikegami (Tokyo Denki University), Boolean valued second order logic Diego A. continue reading…

Jonathan Verner: P-points not containing towers

Wednesday, April 22, 2015, 11:00 Prague – IM AS CR, Zitna 25, seminar room, front building, third floor Speaker: Jonathan Verner Title: P-points not containing towers continue reading…

Jonathan Verner: Dynamical systems on ω* and weak-P-points

Wednesday, March 4, 2015, 11:00 Prague – IM AS CR, Zitna 25, seminar room, front building, third floor Speaker: Jonathan Verner (Faculty of Philosophy and Arts, Charles University in Prague) Title: Dynamical systems on ω* and weak-P-points continue reading…

Petr Simon; Jonathan Verner: Groupwise density; Tukey types of ultrafilters

Wednesday, February 26, 2014, 11:00 Prague – CTS Speaker: Petr Simon; Jonathan Verner Title: Groupwise density; Tukey types of ultrafilters Abstract: We will review the following articles: S. Shelah: Groupwise density cannot be much bigger than the unbounded number and N. continue reading…

E. Thuemmel, J. Verner: Exponent & Generalized Grigorieff Forcing

Wednesday, January 8, 2014, 11:00 Prague – Zitna, seminar room 3rd floor Speaker: E. Thuemmel, J. Verner Title: Exponent & Generalized Grigorieff Forcing Abstract: M. Hrušák asked whether every tall Borel (analytic) ideal contains a tall F-sigma ideal. continue reading…