Exact sequences for locally convex subalgebras of Pimsner algebras with an application to Quantum Heisenberg Manifolds

Details Exact sequences for locally convex subalgebras of Pimsner algebras with an application to Quantum Heisenberg Manifolds Exact sequences for locally convex subalgebras of Pimsner algebras with an application to Quantum Heisenberg Manifolds

2010-11-29

arxiv.org/abs/1011.6238v1

Mathematics

K-Theory and Homology

Scientific paper

We prove six-term exact sequences of Pimsner-Voiculescu type for certain subalgebras of the Cuntz-Pimsner algebras. This sequence may, in particular, be applied to smooth subalgebras of the Quantum Heisenberg Manifolds in order to compute the generators of their cyclic cohomology. Further, our results include the known results for smooth crossed products. Our proof is based on a combination of arguments from the setting of (Cuntz-)Pimsner algebras and the Toeplitz proof of Bott-periodicity.

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