The Cuntz semigroup November 2 to November 6, 2009 American Institute of Mathematics, Palo Alto, CA Organizers: Nate Brown, George Elliott, and Andrew Toms Description: This workshop, sponsored by AIM and the NSF, will explore the Cuntz semigroup - an invariant of C*-algebras inspired by K-theory and recently shown to be important for classification. Deadline: July 11, 2009 Details: http://aimath.org/ARCC/workshops/cuntzsemigroup.html