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Recent seminar announcements
 Dana Bartosova: When can we act freely? Toronto Set Theory Seminar
 Jarosław Swaczyna: Haarsmall sets Wrocław University of Technology
 Victoria Gitman: A model of secondorder arithmetic with the choice scheme in which $\Pi^1_2$dependent choice fails Kurt Godel Research Center
 Nick Ramsey: Definability in the absolute Galois group of a PAC field Israeli Logic Talks
 Stefan Hoffelner: $\text{NS}_{\omega_1}$ saturated and a $\Sigma^{1}_{4}$definable wellorder on the reals Kurt Godel Research Center
 Andrey Morozov: Infinite time BlumShubSmale machines for computability in analysis Bonn Logic Seminar
 Grigory Mashevitzky: Action of endomorphism semigroups on definable sets Israeli Logic Talks
 Joanna Jureczko: Some remarks on Kuratowski partitions, new results Wrocław University of Technology
 Chris LambieHanson: Constructions from square and diamond, with an application to superSouslin trees Bonn Logic Seminar
 Sabrina Ouazzani: A brief story of gaps in the infinite time Turing machines Bristol Logic Seminar
Upcoming conferences
 May 29: Borel Reducibility of Equivalence Relations, Lausanne, May 29, 2017
 July 3: 6th European Set Theory Conference, Budapest, July 3–7, 2017
 July 10: 10th Young Set Theory Workshop, Edinburgh, July 10–14, 2017
 July 10: The 15th Asian Logic Conference, Korea, July 10–14, 2017
 July 14: Classification problems in ergodic theory, Irvine, July 14–25, 2017
 July 31: Applications of model theory to operator algebras, Houston, July 31 – August 4
 August 2: A conference on the occasion of Jensen’s 80th birthday, Münster, Aug 02–04, 2017
 August 14: Logic Colloquium 2017, August 1420, 2017
 August 20: Frontiers of Selection Principles, Warsaw, Aug 20 – Sep 1, 2017
 September 7: Set theoretic & Topological methods in Model Theory, Tezpur, September 7–12, 2017
 September 15: Simon Thomas: the first 60 years, Rutgers, September 1517, 2017

Talks by venue
 Barcelona Set Theory Seminar (RSS)
 Boise Set Theory Seminar (RSS)
 Bonn Logic Seminar (RSS)
 Bristol Logic Seminar (RSS)
 Carnegie Mellon Logic Seminar (RSS)
 Dartmouth Logic Seminar (RSS)
 Israeli Logic Talks (RSS)
 Kurt Godel Research Center (RSS)
 Michigan Logic Seminar (RSS)
 Morelia Topology and Set Theory Seminar (RSS)
 New York Logic Seminars (RSS)
 NUS logic seminar (RSS)
 Prague Forcing Seminar (RSS)
 Prague Set Theory Seminar (RSS)
 Rutgers Logic Seminar (RSS)
 Toronto Set Theory Seminar (RSS)
 UC Irvine Set Theory Seminar (RSS)
 Wroclaw Set Theory Seminar (RSS)
 Wrocław University of Technology (RSS)
Talks by speaker
A.R.D. Mathias Alan Dow Alekos Kechris Aleksander Cieślak Aleksandra Kwiatkowska Alessandro Vignati Alexei Kolesnikov Andreas Blass Andrés Caicedo Andrew BrookeTaylor Andrew Marks Andrew Toms Andy Zucker Antonio Avilés Anush Tserunyan Ari Brodsky Arthur Apter Asaf Karagila Asger Tornquist Ashutosh Kumar Assaf Hasson Assaf Rinot Barnabas Farkas Benjamin Miller Bill Chen Bill Mitchell Boban Velickovic Boris Zilber Brent Cody Burak Kaya Carlos Di Prisco Carlos MartinezRanero Chris LambieHanson Christina Brech Clinton Conley Daisuke Ikegami Damian Sobota Dana Bartošová Daniel Rodriguez Daniel Soukup David Aspero David Chodounsky David Fernández Bretón David J. Fernández Bretón David Marker David Milovich Diana Ojeda Diego Alejandro Mejia Dikran Dikranjan Dilip Raghavan Dima Sinapova Dimitrios Vlitas Egbert Thümmel Erez Shochat Erin Carmody Frank Stephan Franklin Tall Giorgio Laguzzi Gregory Cherlin Grigor Sargsyan Grzegorz Plebanek Gunter Fuchs Heike Mildenberger Hiroshi Sakai Hugh Woodin Ilijas Farah Ioannis Souldatos Isaac Goldbring István Juhász Itay Neeman James Cummings Jan Grebík Jan Stary Jan van Mill Janusz Pawlikowski Jay Williams Jean Larson Jindra Zapletal Joan Bagaria Joel David Hamkins John Baldwin John Clemens John Krueger John Steel Jonathan Verner Jordi LopezAbad Jörg Brendle Jose Iovino Jouko Väänänen Julien Melleray Juliette Kennedy Juris Steprans Justin Moore K. P. Hart Kaethe Minden Konstantinos Tyros Lajos Soukup Laura Fontanella Liljana Babinkostova Lionel Nguyen Van The Liuzhen Wu Luca Motto Ros Luz María García Ávila Lynn Scow Lyubomyr Zdomskyy Marcin Michalski Marcin Sabok Marion Scheepers Martin Goldstern Martin Zeman Martino Lupini Maryanthe Malliaris Masaru Kada Mati Rubin Matteo Viale Matthew D. Foreman Melvin Fitting Menachem Kojman Menachem Magidor Merlin Carl Michael Hrusak Michal Doucha Miguel Angel Mota Miha Habic Mike Pawliuk Mikhail Tkachenko Miodrag Sokic Mirna Džamonja Miyamoto Tadatoshi Monroe Eskew Moti Gitik Nadav Meir Nam Trang Natasha Dobrinen Norman Perlmutter Omer Ben Neria Osvaldo Guzman Osvaldo Guzmán González Paul Larson Paul McKenney Peng Yinhe Peter Holy Peter Koellner Peter Koepke Peter Komjath Peter Krautzberger Petr Simon Philip Welch Philipp Lücke Philipp Schlicht Piotr BorodulinNadzieja Piotr Koszmider Ralf Schindler Randall Holmes Robert Ralowski Robin TuckerDrob Rodrigo R. Dias Roman Kossak Saharon Shelah Sakaé Fuchino Salma Kuhlmann Samuel Coskey Sandra Uhlenbrock Scott Cramer Scott Schneider Sean Cox Sebastien Vasey Sergei Artemov Shehzad Ahmed Simon Thomas Slawomir Solecki Spencer Unger Stefan Geschke Stevo Todorcevic Su Gao Sy David Friedman Szymon Zeberski Taras Banakh Teruyuki Yorioka Thilo Weinert Thomas Johnstone Timothy Trujillo Todd Eisworth Todor Tsankov Tomek Bartoszynski Toshimichi Usuba Trevor Wilson Tristan Bice Uri Abraham Vera Fischer Victor Torres Perez Victoria Gitman Vincenzo Dimonte Wieslaw Kubis Will Boney Wojciech Stadnicki Wolfgang Wohofsky Yair Hayut Yizheng Zhu Yurii KhomskiiCategories
Recent discussions
 10th Young Set Theory Workshop, Edinburgh, July 1014, 2017  Set Theory Talks on 6th Young Set Theory Workshop, June 1014, 2013
 10th Young Set Theory Workshop, Edinburgh, July 1014, 2017  Set Theory Talks on 9th Young Set Theory Workshop, Copenhagen, June 1317, 2016
 10th Young Set Theory Workshop, Edinburgh, July 1014, 2017  Set Theory Talks on 8th Young Set Theory Workshop, Jerusalem, October 2530, 2015
 1st Irvine Conference on Descriptive Inner Model Theory and HOD Mice, July 1829 2016  Set Theory Talks on Inner Model Theory events in California, June, 2014
 saf on Assaf Rinot: The strength of the generalized Souslin hypothesis
 10th Young Set Theory Workshop, Edinburgh, July 1014, 2017  Set Theory Talks on 6th Young Set Theory Workshop, June 1014, 2013
Seminar organizer’s toolbox
Dana Bartošová finished her master degree at the VU University
Amsterdam in 2008 under supervision of Klaas Pieter Hart and at the
Charles University in Prague in 2009 under supervision of Petr Simon.
Her thesis won the first prize in the Student Research Project in
Mathematics and Informatics 2009.
Currently, Dana is a doctoral student of Stevo Todorcevic at the
University of Toronto.
She likes to work on interactions between various fields of
mathematics. In her master’s studies, she worked on applications of
model theory into continuum theory and currently she is working on
interactions between topological dynamics, set theory, model theory
and finite combinatorics.
Recent and upcoming talks by Dana Bartošová
Dana Bartošová: Freedom of action in combinatorial terms
Mathematical logic seminar – Mar 21 2017
Time: 3:30pm – 4:30 pm
Room: Wean Hall 8220
Speaker: Dana Bartošová
Department of Mathematical Sciences
CMU
Title: Freedom of action in combinatorial terms
Abstract:
A group acts freely on a compact Hausdorff space if all of its nonidentity elements act without fixed points. continue reading…
Set Theory and its Applications in Topology, September 1116, 2016
The meeting took place in Oaxaca, Mexico. The slides may be found below.
08:45 – 09:00
Introduction and Welcome (Conference Room San Felipe)
09:00 – 10:00
Alan Dow: The even numbered problems (Conference Room San Felipe)
10:00 – 10:30
Rodrigo Jesus Hernandez Gutierrez: Spaces discretely generated at infinity (Conference Room San Felipe)
10:30 – 11:00
Coffee Break (Conference Room San Felipe)
11:00 – 11:30
Isván Juhász: Lindelöf spaces of countable pseudocharacter (Conference Room San Felipe)
11:30 – 12:00
Juris Steprans: PID and universal graphs (Conference Room San Felipe)
13:20 – 13:30
Group Photo (Hotel Hacienda Los Laureles)
13:30 – 15:00
Lunch (Restaurant Hotel Hacienda Los Laureles)
15:00 – 16:00
Itay Neeman: Forcing one instance of the MooreTodorcevic principle (Conference Room San Felipe)
16:00 – 16:30
Coffee Break (Conference Room San Felipe)
16:30 – 17:00
James Cummings: Dowker and superDowker filters (Conference Room San Felipe)
17:00 – 17:30
Assaf Rinot: The $\omega_2$Souslin problem (Conference Room San Felipe)
19:00 – 21:00
Dinner (Restaurant Hotel Hacienda Los Laureles)
Tuesday, September 13
07:30 – 09:00
Breakfast (Restaurant at your assigned hotel)
09:00 – 10:00
Christina Brech: Bases of Homogeneous families bellow the first Mahlo cardinal (Conference Room San Felipe)
10:30 – 11:00
Coffee Break (Conference Room San Felipe)
11:00 – 11:30
Piotr Koszmider: A noncommutative Mrówka’s $\Psi$space (Conference Room San Felipe)
11:30 – 12:00
Asger Tornquist: Invariant descriptive set theory and almost disjointness modulo an ideal (Conference Room San Felipe)
13:30 – 15:00
Lunch (Restaurant Hotel Hacienda Los Laureles)
15:00 – 16:00
Alexander Shibakov: Sequential groups: large and small (Conference Room San Felipe)
16:00 – 16:30
Coffee Break (Conference Room San Felipe)
16:30 – 17:00
Jindrich Zapletal: Strong measure zero sets in Polish groups (Conference Room San Felipe)
17:00 – 17:30
Marcin Sabok: On hyperfiniteness of boundary actions of hyperbolic groups (Conference Room San Felipe)
19:00 – 21:00
Dinner (Restaurant Hotel Hacienda Los Laureles)
Wednesday, September 14
07:30 – 09:00
Breakfast (Restaurant at your assigned hotel)
09:00 – 09:30
Joerg Brendle: Q (Conference Room San Felipe)
09:30 – 10:00
Dilip Raghavan: More on the density zero ideal (Conference Room San Felipe)
10:00 – 10:30
Osvaldo Guzmán: Combinatorial properties of MAD families (Conference Room San Felipe)
10:30 – 11:00
Coffee Break (Conference Room San Felipe)
11:00 – 11:30
Victor TorresPerez: Constructions with oppositions: Cardinal invariants and games (Conference Room San Felipe)
11:30 – 12:00
David Fernández Bretón: Strong failures of higher analogs of Hindman’s theorem (Conference Room San Felipe)
12:00 – 12:30
Natasha Dobrinen: Topological Ramsey spaces in some creature forcings (Conference Room San Felipe)
12:30 – 13:30
Lunch (Restaurant Hotel Hacienda Los Laureles)
13:30 – 17:30
Free Afternoon (Oaxaca)
19:00 – 21:00
Dinner (Restaurant Hotel Hacienda Los Laureles)
Thursday, September 15
07:30 – 09:00
Breakfast (Restaurant at your assigned hotel)
09:00 – 10:00
Slawomir Solecki: Monoid actions on lefttopological compact semigroups (Conference Room San Felipe)
10:30 – 11:00
Coffee Break (Conference Room San Felipe)
11:00 – 11:30
Aleksandra Kwiatkowska: The Ramsey degree of the prepseudoarc (Conference Room San Felipe)
11:30 – 12:00
Dana Bartosova: Ultrafilter combinatorics in topological dynamics (Conference Room San Felipe)
13:30 – 15:00
Lunch (Restaurant Hotel Hacienda Los Laureles)
15:00 – 16:00
Jan van Mill: Erdős spaces (Conference Room San Felipe)
16:00 – 16:30
Coffee Break (Conference Room San Felipe)
16:30 – 17:00
Anush Tserunyan: Topological dimension and Baire category (Conference Room San Felipe)
17:00 – 17:30
Yinhe Peng: Weak network and the basis problem (Conference Room San Felipe)
19:00 – 21:00
Dinner (Restaurant Hotel Hacienda Los Laureles)
Friday, September 16
07:30 – 09:00
Breakfast (Restaurant at your assigned hotel)
09:00 – 09:30
Jeffrey Bergfalk: Walks… (Conference Room San Felipe)
09:30 – 10:00
Iian Smythe: A local Ramsey theory for block sequences (Conference Room San Felipe)
10:00 – 10:30
Noé de Rancourt: Ramsey theory with and without the pigeonhole principle (Conference Room San Felipe)
10:30 – 11:00
Coffee Break (Conference Room San Felipe)
11:00 – 11:30
Claribet Piña: Topological partition relations for $\omega^2$ (Conference Room San Felipe)
11:30 – 12:00
Carlos Uzcategui: Bases and selectors for cofinal families of countable sets (Conference Room San Felipe)
12:00 – 12:30
Carlos Di Prisco: Graphs on the Cantor set (Conference Room San Felipe)
12:30 – 14:30
Lunch (Restaurant Hotel Hacienda Los Laureles)
continue reading…
Posted in Conferences
Tagged Alan Dow, Aleksandra Kwiatkowska, Alexander Shibakov, Anush Tserunyan, Asger Tornquist, Assaf Rinot, Carlos Di Prisco, Carlos Uzcátegui, Christina Brech, Claribet Piña, Dana Bartošová, David Fernández Bretón, Dilip Raghavan, István Juhász, Itay Neeman, James Cummings, Jan van Mill, Jeffrey Bergfalk, Jindra Zapletal, Jörg Brendle, Juris Steprans, Lian Smythe, Marcin Sabok, Natasha Dobrinen, Noé de Rancourt, Osvaldo Guzman, Peng Yinhe, Piotr Koszmider, Rodrigo Jesus Hernandez Gutierrez, Slawomir Solecki, Victor Torres Perez
Dana Bartosova: Algebra in the Samuel compactification
Place: Fields Institute (Room 210)
Date: June 10, 2016 (13:3015:00)
Speaker: Dana Bartosova
Title: Algebra in the Samuel compactification
Abstract: The Samuel compactification, or the greatest ambit, is an important compactification of a topological group for its dynamics. continue reading…
Colloquium Logicum 2016
Call for Papers
COLLOQUIUM LOGICUM 2016
www.math.unihamburg.de/spag/ml/CL2016
1012 September 2016, Hamburg, Germany
Submission deadline: 20 June, 2016
______________________________________________________________
The Colloquium Logicum is organized every two years by the “Deutsche Vereinigung für Mathematische Logik und für Grundlagenforschung der Exakten Wissenschaften” (DVMLG). continue reading…
9th Young Set Theory Workshop, Copenhagen, June 1317, 2016
The 9th Young Set Theory Workshop (YST 2016) will take place at the University of Copenhagen, June 13th to 17th 2016.
This years tutorial speakers are Nicola Gambino, Alexander S. Kechris, Heike Mildenberger and Stevo Todorcevic. continue reading…
The Role of the Higher Infinite in Mathematics and Other Disciplines, December 1418 2015
Workshop Theme
The objective of the programme Mathematical, Foundational and Computational Aspects of the Higher Infinite is to stimulate the exchange of ideas among researchers pursuing different approaches to infinity: mathematical, foundational, and computational. continue reading…
Posted in Birthday, Conferences
Tagged Andrew BrookeTaylor, Andrew Marks, Benjamin Miller, Bob Lubarsky, Catrin Campbell Moore, Dana Bartošová, Imre Leader, István Juhász, Jean Larson, Jirí Rosický, Johannes Carmesin, Jordi LopezAbad, Martin Hyland, Menachem Magidor, Merlin Carl, Michael Rathjen, Nathan Bowler, Olivier Finkel, Philippe Schnoebelen
Dana Bartošová: On the structure of the universal minimal flows via (near) ultrafilters
Place: Fields Institute (Room 210)
Date: August 7th, 2015 (13:3015:00)
Speaker: Dana Bartošová
Title: On the structure of the universal minimal flows via (near) ultrafilters
Abstract:
I will recall how we can see universal minimal flows as spaces of (near) ultrafilters and which results have been obtained by this approach. continue reading…
Dana Bartosova: About the conjecture that oligomorphic groups have metrizable universal minimal flows
Place: Fields Institute (Room 210)
Date: 27March2015 (13:3015:00)
Title: About the conjecture that oligomorphic groups have metrizable
universal minimal flows
Abstract: We will discuss a conjecture of Lionel Nguyen van Th\’e as
in the title. continue reading…
Forcing and its applications: Retrospective Workshop, March 29 – April 2, 2015
The meeting will take place at the Field Institute, 222 College Street, Toronto.
About
In the years 19631964, Paul Cohen developed the method of forcing in order to settle Cantor’s Continuum Problem. continue reading…
Posted in Conferences, Thematic Program on Forcing and its Applications
Tagged Alan Dow, Assaf Rinot, Christina Brech, Dana Bartošová, Dima Sinapova, Heike Mildenberger, Jindra Zapletal, John Krueger, Jordi LopezAbad, Justin Moore, Marcin Sabok, Maryanthe Malliaris, Matteo Viale, Michael Hrusak, Miguel Angel Mota, Sean Cox, Stevo Todorcevic
SouthEastern Logic Colloquium 2015, February 28 – March 1, 2015
The SouthEastern Logic Colloquium 2015 will take place during the weekend of February 28/ March 1, 2015, at University of Florida, Gainesville, FL. We will also have a colloquium talk on Friday February 27 4pm by Henry Towsner.
continue reading…