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|a Ruberman, Daniel
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|a Massachusetts Institute of Technology. Department of Mathematics
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|a Massachusetts Institute of Technology. School of Science
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|a Mrowka, Tomasz S
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|a Saveliev, Nikolai
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|a Mrowka, Tomasz S
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|a An index theorem for end-periodic operators
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|b Cambridge University Press,
|c 2016-09-15T19:45:48Z.
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|z Get fulltext
|u http://hdl.handle.net/1721.1/104336
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|a We extend the Atiyah, Patodi, and Singer index theorem for first-order differential operators from the context of manifolds with cylindrical ends to manifolds with periodic ends. This theorem provides a natural complement to Taubes' Fredholm theory for general end-periodic operators. Our index theorem is expressed in terms of a new periodic eta-invariant that equals the Atiyah-Patodi-Singer eta-invariant in the cylindrical setting. We apply this periodic eta-invariant to the study of moduli spaces of Riemannian metrics of positive scalar curvature.
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|a National Science Foundation (U.S.). (Grant 0805841)
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|a en_US
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|a Article
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|t Compositio Mathematica
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