Connes-Landi Deformation of Spectral Triples

preprint2010arXivOpen access

Abstract

We describe a way to deform spectral triples with a 2-torus action and a real deformation parameter, motivated by deformation of manifolds after Connes-Landi. Such deformations are shown to have naturally isomorphic KK-theoretic invariants independent of the deformation parameter.

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