paper

A K-homological approach to the quantization commutes with reduction problem

arXiv:1404.4840

Abstract

Kasparov defined a distinguished K-homology fundamental class, so called the Dirac element. We prove a localization formula for the Dirac element in K-homology of crossed product of C^{*}-algebras. Then we define the quantization of Hamiltonian G-spaces as a push-forward of the Dirac element. With this, we develop a K-homological approach to the quantization commutes with reduction theorem.

Corrections made, title changed

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A K-homological approach to the quantization commutes with reduction problem · wovepaper