Topological Witt groups and Reality

Topological Witt groups and Reality

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Chuck Weibel , Rutgers University
Fine Hall 314

This is joint work with Karoubi.  Given an algebraic variety over the real numbers, we compare its Witt groups with the topological Witt groups of the underlying manifold with involution using Atiyah's Real K-theory, Brumfiel's Theorem and a conjecture of Bruce Williams.