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math.KT2019
The Cayley transform in complex, real and graded -theory
Chris Bourne, Johannes Kellendonk, Adam Rennie
We use the Cayley transform to provide an explicit isomorphism at the level of cycles from van Daele -theory to -theory for graded -algebras with a real structure. Isom…
math.KT2019
The KO-valued spectral flow for skew-adjoint Fredholm operators
Chris Bourne, Alan L. Carey, Matthias Lesch +1
In this article we give a comprehensive treatment of a `Clifford module flow' along paths in the skew-adjoint Fredholm operators on a real Hilbert space that takes values in KO${}_…