Witt groups vs KO-groups

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• Marcus Zibrowius (Cambridge)
• Wednesday 17 November 2010, 14:15-15:15
• MR13, CMS.

If you have a question about this talk, please contact Burt Totaro.

The theory of Witt groups can be viewed as a variant of algebraic K-theory whose relation with KO-theory is similar to that of algebraic and topological K-theory. I will discuss examples of smooth complex varieties for which the Witt groups are completely determined by the KO-groups and indicate how this leads to new calculations.

This talk is part of the Algebraic Geometry Seminar series.

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