## EVENT DETAILS AND ABSTRACT

**Topology Seminar**
**Title:** The Homotopy Orbit Spectrum for Profinite Groups

**Speaker:** Professor Daniel Davis

**Speaker Info:** Purdue University

**Brief Description:**

**Special Note**:

**Abstract:**

When G is a finite group and X is a G-spectrum, the homotopy
orbit spectrum and the associated homotopy orbit spectral sequence are
familiar constructions in homotopy theory. When G is profinite and for
certain types of G-spectra, we give a construction that we call the
homotopy orbit spectrum. Using this construction, when G is countably
based, for certain G-spectra, we are able to construct a homotopy orbit
spectral sequence whose E_2-term is continuous group homology.

**Date:** Monday, May 22, 2006

**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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