Cyclic cohomology and the extended Heisenberg calculus of Epstein and Melrose

Published 24 Apr 2022 in math.OA and math.FA | (2204.11182v2)

Abstract: In this paper we present a formula for the index of a pseudodifferential operator with invertible principal symbol in the extended Heisenberg calculus of Epstein and Melrose. Our results build on the work we did in a previous paper (arXiv:2010.02900), where we restricted attention to the Heisenberg calculus proper.

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