Recent and upcoming talks by Arturo Antonio Martinez

Arturo Martínez-Celis: Porous sets on the Cantor set

Seminar: Working group in applications of set theory, IMPAN Thursday, 31.01.2019, 10:15, room 105, IMPAN Speaker: Arturo Martínez-Celis (IM PAN) Title: “Porous sets on the Cantor set” Abstact: “Given a completely metrizable space X, a subset A of X is a strongly porous set if there is a positive constant p such that for any open ball B of radius r smaller than 1, there is an open ball B’ inside of B of radius rp such that B’ evades the set A. continue reading…

Arturo Martínez-Celis: On the Michael Space Problem

Seminar: Working group in applications of set theory, IMPAN Thursday, 25.10. 2018, 10:15, room 105, IMPAN Speaker: Arturo Martínez-Celis (IM PAN) Title: “On the Michael Space Problem” Abstact: “A Lindelöf Topological space is Michael if it has non-Lindelöf product with the space of the irrational numbers. continue reading…

Arturo Antonio Martínez Celis Rodríguez: Combinatorics related to the Michael space problem

Set theory seminar, Mexico City, Wednesday September 23, 2015 at  IMATE, UNAM, salón Graciela Salicrup 16:00. continue reading…

Osvaldo Guzman, Jonathan Cancino and Arturo Martinez Celis

Wednesday, February 11, 2015, 11:00 Prague – IM AS CR, Zitna 25, seminar room, front building, third floor Speakers: Osvaldo Guzman, Jonathan Cancino and Arturo Martinez Celis (UNAM Morelia) continue reading…

Prague Set Theory Seminar on Feb 4, 2014

Wednesday, February 4, 2014, 11:00 Prague – Zitna, seminar room 3rd floor The Prague seminar will meet on Tuesday this time. We will have people from Morelia (Jonathan Cancino-Manríquez, Miguel Angel Gaspar Arreola, Osvaldo Guzman, Arturo Antonio Martínez Celis Rodríguez, Ulises Ariet Ramos-García) presenting their work as guest speakers. continue reading…

Reflection principles and set theory of large cardinals, September 9 – 12, 2013

The RIMS meeting “Reflection principles and set theory of large cardinals” will take place from Sept. 9 till Sept. 12 at the Research Institute for Mathematical Sciences, Kyoto University, Japan. this meeting is organized by Sakae Fuchino. continue reading…