Signatures and Higher Signatures of S¹-Quotients
classification
🧮 math.DG
keywords
signatureshighera-hatactionapplicationsclosedconjecturecurvature
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We define and study the signature, A-hat genus and higher signatures of the quotient space of an $S^1$-action on a closed oriented manifold. We give applications to questions of positive scalar curvature and to an Equivariant Novikov Conjecture.
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