Recent and upcoming talks by Philip Welch

On the Infinite, Paris, October 18 – 21, 2017

On the Infinite An Interdisciplinary Symposium October 18 – October 21, 2017 Infinity: the break in the horizon, the “what cannot be counted”, boundless, bottomless, eternal, illimitable and absolute. The infinite encloses physical space; the infinite holds time within itself. continue reading…

Philip Welch: The Ramified Analytical Hierarchy and Strong Logics

Tuesday, January 17, 2017, 15.00 Howard House 4th Floor Seminar Room Speaker: Philip Welch (University of Bristol) Title: The Ramified Analytical Hierarchy and Strong Logics Abstract: The ramified analytical hierarchy defined by Kleene builds up a hierarchy of models of subsystems of analysis in a second order definable manner. continue reading…

Menachem Magidor 70th Birthday Conference, Jerusalem, February 17-19 2016

Menachem Magidor 70th Birthday Conference The Hebrew University of Jerusalem, February 17-19 2016 Reigstration is now open! Invited speakers: Artur Apter (CUNY) Joan Bagaria (ICREA & UB) James Cummings (CMU) Mirna Dzamonja (UEA) Ilijas Farah (York) Matthew Foreman (UCI) Moti Gitik (TAU) Juliette Kennedy (Helsinki) Peter Koepke (Bonn) Jean Larson (UFL) Bill Mitchell (UFL) Ralf Schindler (Münster) Saharon Shelah (HUJI) Dima Sinapova (UIC) John Steel (Berkeley) Jouko Väänänen (Helsinki & ILLC) Boban Velickovic (Paris 7) Matteo Viale (Torino) Philip Welch (Bristol) Hugh Woodin (Harvard) Organizers: Laura Fontanella Itay Kaplan Asaf Karagila Assaf Rinot continue reading…

2nd Arctic Set Theory Workshop, February 12-17, 2015

This international workshop on the latest developments in set theory will be held in the Kilpisjärvi Research Center of the University of Helsinki, during February 12-17, 2015. A group of leading mathematical logicians, together with younger researchers, from Finland, USA, Israel, UK, Germany, France, Canada, Italy, Greece, China, and Austria will meet in this unique location to make progress on the hardest questions of set theory today. continue reading…

Set Theory Workshop in Freiburg, June 10 – 13, 2014

Set Theory Workshop in Freiburg at FRIAS and the Mathematical Institute of the Albert-Ludwigs-Universität June 10 – 13, 2014 About recent topics in set theory Speakers include Alessandro Andretta, Turin Andreas Blass, Ann Arbor Natasha Dobrinen, Denver Mirna Džamonja, Norwich Vera Fischer, Vienna Sy-David Friedman, Vienna Martin Goldstern, Vienna Menachem Kojman, Beer Sheva Péter Komjáth, Budapest Giorgio Laguzzi, Hamburg Adrian Mathias, La Réunion Menachem Magidor, Jerusalem Janusz Pawlikowski, Wrocław Lajos Soukup, Budapest Stevo Todorčević, Paris and Toronto Boban Veličković, Paris Matteo Viale, Turin Philip Welch, Bristol Lyubomyr Zdomskyy, Vienna Organisers: Heike Mildenberger, Freiburg  Luca Motto Ros, Freiburg continue reading…

Conference celebrating Philip Welch’s 60th Birthday, March 22 – 23, 2014

Conference celebrating Philip Welch’s 60th Birthday 22 March 2014 to 23 March 2014 Organisers: Kentaro Fujimoto, Leon Horsten Description A two day conference will be held to celebrate the work of Philip Welch on his 60th birthday. continue reading…

Set Theory events in Poland, September 15-19, 2014

Thematic session in set theory at the dmv-ptm joint meeting, Workshop in set theory. Będlewo, Poznań 14-17-20.09.2014. Arrival in Będlewo – the evening of Sunday, 14.09. Workshop activities – Monday, Tuesday, 15,16.09. continue reading…

This Week in Logic at CUNY

Computational Logic Seminar Tuesday, March 19, 2013 2:00 pm Speaker: Stan Wainer The Leeds Logic Group, University of Leeds Title: Computing Bounds from Arithmetical Proofs We explore the role of the function a+2^x, and its generalizations to higher number classes, in analyzing and measuring the computational content of a broad spectrum of arithmetical theories. continue reading…

4th European Set Theory Conference, July 15 – 18, 2013

The 4th European Set Theory Conference will be held in Mon St Benet, near Barcelona, on 15-18 July 2013. Mostowski lecture: Adam Krawczyk (Warsaw): Andrzej Mostowski Centenary. Hausdorff Medal lecture: Hugh Woodin Tutorials: Moti Gitik (Tel Aviv): Forcing and cardinal arithmetic Plenary lectures: Laura Fontanella Menachem Magidor Michael Rathjen John Steel Philip Welch Invited lectures: Alessandro Andretta: The density point property. continue reading…

Forcing, Large Cardinals and Descriptive Set Theory, September 1 – October 25, 2013

Forcing, Large Cardinals and Descriptive Set Theory, September 1 – October 25, 2013, at the ESI The Erwin Schrödinger International Institute for Mathematical Physics (Vienna). This 6-week programme at the ESI will be devoted to Large Cardinals and Forcing during September 9-27, and to Descriptive Set Theory during September 30 – October 18. continue reading…