South Eastern Logic Symposium

March 1-2, 2009

The conference was devoted to the interaction between set theory and C* algebras, as exemplified by the recent results of Ilijas Farah and Nik Weaver. Another topic is Polish group actions and Borel equivalence relations.

Invited speakers:

• John Clemens, Penn State, Complexity of the isomorphism problem for subshifts
• Ilijas Farah, York University, Nonseparable UHF algebras
  Su Gao, University of North Texas, Equivalence relations from actions of the unitary group
• Stefan Geschke, Boise State University

Isomorphisms between small subalgebras ofP(ω)/fin

• Juris Steprans, York University, Maximal abelian subalgebras and related structures in the Calkin algebra
• Simon Thomas, Rutgers University, A remark on the Higman-Neumann subalgebras of P(ω)/fin
• Andrew Toms, York University, Functional classification of C* algebras: Elliott’s program
• Nik Weaver, Washington University in St. Louis, The Kadison-Singer problem as a combinatorial problem