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FAMILIES OF DIRAC OPERATORS AND QUANTUM AFFINE GROUPS
Published online by Cambridge University Press: 31 May 2011
Abstract
Twisted K-theory classes over compact Lie groups can be realized as families of Fredholm operators using the representation theory of loop groups. In this paper we show how to deform the Fredholm family in the sense of quantum groups. The family of Dirac-type operators is parametrized by vectors in the adjoint module for a quantum affine algebra and transforms covariantly under a central extension of the algebra.
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- Copyright © Australian Mathematical Publishing Association Inc. 2011