Events for 05/20/2020 from all calendars

Noncommutative Geometry Seminar

Time: 2:00PM - 3:00PM

Location: Zoom 942810031

Speaker: Rufus Willett, University of Hawai'i

Title: Almost ideal structures and K-theory

Abstract: The most basic (and powerful) tools to compute C*-algebra K-theory are probably the long-exact sequences associated to ideals. Unfortunately, many of the most interesting C*-algebras are simple, so these tools are inapplicable. I’ll discuss techniques to compute K-theory that work when one only has ‘approximate ideals’, examples coming from dynamics including simple C*-algebras, and applications to the Baum-Connes conjecture and Künneth formula.

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