# Recent and upcoming talks by Diego Alejandro Mejia

## Axiomatic set theory and its applications, Kyoto, November 5 – 8, 2018

Workshop on Axiomatic set theory and its applications   Research Institute for Mathematical Sciences   November 5 – 8, 2018   Kyoto, Japan   ORGANIZER: Hiroaki Minami (Aichi Gakuin) MINICOURSE: Dilip Raghavan (National University of Singapore) SPEAKERS: Teruyuki Yorioka (Shizuoka University) Hiroshi Sakai (Kobe University) Sean Cox (Virginia Commonwealth University) Ulises Ariet Ramos García (Universidad Nacional Autonoma de Mexico, Morelia) Diego A. continue reading…

## Set theory today, Vienna, September 10-14, 2018

Set theory today: A conference in honor of Georg Cantor September 10-14, 2018 Held by the Kurt Gödel Research Center under the auspices of the European Set Theory Society   Confirmed speakers: Omer Ben Neria, UCLA. continue reading…

## 2nd Pan Pacific International Conference on Topology and Applications, November 13–17, 2017

The 2nd Pan Pacific International Conference on Topology and Applications (2nd PPICTA) had a special session in Set Theory, to which we now provide the slides. (50min. talks) 1. David Chodounsky (Institute of Mathematics CAS) Sacks indestructible ultrafilters and the HL property 2. continue reading…

## Iterated Forcing Theory and Cardinal Invariants, Kyoto, November 6 – 9, 2017

RIMS Workshop on Iterated Forcing Theory and Cardinal Invariants November 6 – 9, 2017 at the Research Institute for Mathematical Sciences (RIMS), Kyoto University ORGANIZER: Jörg Brendle (Kobe) MINICOURSE: Diego Mejía (Shizuoka)  Recent (and not that recent) forcing techniques on finite support iterations SPEAKERS: David Asperó (Norwich) Few new reals Fabiana Castiblanco (Münster) David Chodounský (Praha) Monroe Eskew (Wien) Local saturation at every successor cardinal JiaLiang He (Chengdu) An elementary proof of p = t Daisuke Ikegami (Tokyo) On supercompactness of $\omega_1$ Hiromi Ishii (Tsukuba) Reflection Principle and construction of saturated ideals on $\mathcal P_{\omega_1}(\lambda)$ Yo Matsubara (Nagoya) On the existence of skinny stationary subsets Tadatoshi Miyamoto (Nagoya) No Suslin trees but a non-special Aronszajn tree exists by a side condition method Francesco Parente (Norwich) Keisler’s order via Boolean ultrapowers André Rodrigues (Kobe) Hiroshi Sakai (Kobe) On models generated by uncountable indiscernible sequences Dmitri Shakhmatov (Matsuyama) Compactness-like properties de ned by open-point games and maximal almost disjoint families Toshimichi Usuba (Tokyo) $G_\delta$ modification and large cardinals Teruyuki Yorioka (Shizuoka) Aspero-Mota’s finitely proper forcing axiom and k-entangled sets of reals Yasuo Yoshinobu (Nagoya) A further variation of the Banach-Mazur game and forcing axioms continue reading…

## The 15th Asian Logic Conference, Korea, July 10–14, 2017

The Fifteenth Asian Logic Conference will be held in Daejeon, Korea during July 10 – 14, 2017. It will be the first Asian Logic Conference since its status changed from an ASL(the Association for Symbolic Logic)-sponsored meeting to an official ASL meeting by ASL Council action in May 2016. continue reading…

## 6th European Set Theory Conference, Budapest, July 3–7, 2017

The 6th European Set Theory Conference (6ESTC) of the European Set Theory Society will be organized in Budapest, at the Alfréd Rényi Institute of Mathematics of the Hungarian Academy of Sciences, next year, July 3 – 7, 2017. 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…

## Diego A. Mejía: Separating the left side of Cichon’s diagram

Friday Set Theory Seminar (HUJI) We shall meet this Friday (May 8th) in the Hebrew University math department building in Room 110, at 10 am. Speaker: Diego A. Mejía (TU WIEN) Title: Separating the left side of Cichon’s diagram Abstract: It is well known that, with finite support iterations of ccc posets, we can obtain models where 3 or more cardinals of Cichon’s diagram can be separated. continue reading…

## 8th Young Set Theory Workshop, Jerusalem, October 25-30, 2015

The 8th Young Set Theory Workshop will take place October 25-30 2015, at the Israel Institute of Advanced Studies in Jerusalem. (see poster,  booklet, and Group picture) The aims of the “Young Set Theory Workshops” are to bring together young researchers in the domain of set theory and give them the opportunity to learn from each other and from experts in a friendly environment. continue reading…

## Winter School, Jan 31 – Feb 7, 2015

We are pleased to announce that the registration for the Winter School in Abstract Analysis, section Set Theory & Topology is now open. The conference will take place between Jan 31st and Feb 7th 2015 in Hejnice, Czech Republic. continue reading…