Born 9 May 1961. James Cummings is a math professor at Carnegie Mellon University.
Ph.D.: Cambridge University

Personal website


Recent and upcoming talks by James Cummings

Winter School, Hejnice, Jan 26–Feb 2, 2019

The Winter School in Abstract Analysis, section Set Theory & Topology will take place between January 26th and February 2nd 2019 in Hejnice, Czech Republic. Tutorial speakers for the Winter School 2018 are: James Cummings Miroslav Hušek Wiesław Kubiś Jordi Lopez-Abad The registration is now open. continue reading…

Special session on Large cardinals and combinatorial set theory, Ann Arbor, October 20-21, 2018

Paul Larson and Andrés E Caicedo are co-organizing a special session at the Fall Central Sectional Meeting 2018 in Ann Arbor, on Large cardinals and combinatorial set theory. The session will take place Saturday October 20 and Sunday October 21. 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…

James Cummings: Some strong chain conditions

Mathematical logic seminar – Feb 20 2018 Time:     3:30pm – 4:30 pm Room:     Wean Hall 8220 Speaker:         James Cummings Department of Mathematical Sciences CMU Title:     Some strong chain conditions Abstract: One of the basic facts in forcing is that a finite support iteration of ccc forcing is ccc. continue reading…

2018 North American ASL Meeting, Illinois, May 16-19, 2018

  Association for Symbolic Logic 2018 North American Annual Meeting May 16 – May 19, 2018 Western Illinois University • Macomb, Illinois   Invited Speakers: Plenary Speakers: JC Beall, University of Connecticut (TBA) A. continue reading…

Set Theory, Model Theory and Applications (In memory of Mati Rubin), Eilat, April 22-26, 2018

RESEARCH WORKSHOP OF THE ISRAEL SCIENCE FOUNDATION Set Theory, Model Theory and Applications (In memory of Mati Rubin)   The international conference “Set Theory, Model Theory and Applications,” in memory of our late colleague Mati Rubin, will take place at the Eilat Campus of Ben-Gurion University of the Negev (Israel) from 22 – 26 April, 2018. continue reading…

James Cummings: Definable subsets of singular cardinals

Mathematical logic seminar – Apr 11 2017 Time:     3:30pm – 4:30 pm Room:     Wean Hall 8220 Speaker:         James Cummings Department of Mathematical Sciences CMU Title:     Definable subsets of singular cardinals Abstract: Shelah proved the surprising result that if μ is a singular strong limit cardinal of uncountable cofinality, then there is a subset X of μ such that all subsets of μ are ordinal-definable from X. continue reading…

James Cummings: Universal graphs

Mathematical logic seminar – Jan 24 2017 Time:     3:30pm – 4:30 pm Room:     Wean Hall 8220 Speaker:         James Cummings Department of Mathematical Sciences CMU Title:     Universal graphs Abstract: The well-known “random countable graph” or “Rado graph” is a countable graph which contains induced copies of every countable graph. continue reading…

MAMLS at VCU, April 1-2, 2017

MAMLS at VCU will be a gathering of set theorists working on large cardinals, inner models, forcing and relative consistency results, sponsored by the NSF and the Department of Mathematics and Applied Mathematics at Virginia Commonwealth University. continue reading…

James Cummings: Cardinal invariants of the continuum

Mathematical logic seminar – October 18 2016 Time:     3:30pm – 4:30 pm Room:     Wean Hall 8220 Speaker:         James Cummings Department of Mathematical Sciences CMU Title:     Cardinal invariants of the continuum Abstract: The cardinal invariants of the continuum are cardinals which measure properties of the continuum more subtle than its cardinality. continue reading…