Natural Equivariant Dirac Operators

Igor Prokhorenkov and Ken Richardson
Arxiv ID: 0805.3340Last updated: 1/28/2021
We introduce a new class of natural, explicitly defined, transversally elliptic differential operators over manifolds with compact group actions. Under certain assumptions, the symbols of these operators generate all the possible values of the equivariant index. We also show that the components of the representation-valued equivariant index coincide with those of an elliptic operator constructed from the original data.

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