Mass endomorphism, surgery and perturbations
classification
🧮 math.DG
keywords
endomorphismmassmetricsriemanniansurgeryanalyticargumentsassociated
read the original abstract
We prove that the mass endomorphism associated to the Dirac operator on a Riemannian manifold is non-zero for generic Riemannian metrics. The proof involves a study of the mass endomorphism under surgery, its behavior near metrics with harmonic spinors, and analytic perturbation arguments.
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