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3 questions
21
votes
2
answers
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Applications of Atiyah-Singer using pseudodifferential operators
Though the Atiyah-Singer index theorem holds for pseudodifferential operators, all the applications of the index theorem I know of only need it for Dirac-type operators. I know that pseudodifferential ...
8
votes
1
answer
318
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K-homology classes of Dirac operators on Hermitian manifolds
Given a compact Hermitian manifold $M$, we have three canonical pseudo-differential operators on the sections of complexified de Rham complex, namely
1) (d + d$^*,\Omega^{*})$
2) ($\partial$ + $\...
6
votes
2
answers
279
views
Differential structures and K-homology groups
What is an example of a (compact) manifold, which has two non-equivalent differential structures such that the K-homology groups are non-isomorphic? If no such example exists, i.e. "K-homology does ...