Browsing Department of Pure Mathematics and Mathematical Statistics (DPMMS) by Subject "Witt groups"
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Comparing GrothendieckWitt Groups of a Complex Variety to its Real Topological KGroups
(Department of Pure Mathematics and Mathematical Statistics, University of Cambridge, 200901)On a complex variety X, two different approaches to Ktheory are available: the algebraic Ktheory of the variety, and the topological Ktheory of the underlying topological space. In this context, the algebraic variant ...

Witt groups of complex varieties
(University of CambridgeDepartment of Pure Mathematics and Mathematical StatisticsTrinity Hall, 20110712)The thesis Witt Groups of Complex Varieties studies and compares two related cohomology theories that arise in the areas of algebraic geometry and topology: the algebraic theory of Witt groups, and real topological Ktheory. ...