## EVENT DETAILS AND ABSTRACT

**Topology Seminar**
**Title:** Higher geometry and algebraic K-theory

**Speaker:** John Lind

**Speaker Info:** U Chicago

**Brief Description:**

**Special Note**:

**Abstract:**

A cohomology theory E is particularly useful when we can understand its cocycles E^*(X) in terms of geometric objects associated to the space X. A basic example is the description of topological K-theory in terms of complex vector bundles. I will give an analogous interpretation of cocycles for E=K(R), the algebraic K-theory of an associative ring spectrum, in terms of bundles of R-modules over X. I will also discuss conjectural connections to elliptic cohomology theories and higher categorical geometry.

**Date:** Monday, January 10, 2011

**Time:** 4:10pm

**Where:** Lunt 104

**Contact Person:** Prof. Paul Goerss

**Contact email:** pgoerss@math.northwestern.edu

**Contact Phone:** 847-491-8544

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