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Bitte beziehen Sie sich beim Zitieren dieses Dokumentes immer auf folgende URN: urn:nbn:de:kobv:517-opus-26386 URL: http://opus.kobv.de/ubp/volltexte/2008/2638/ Nazaikinskii, Vladimir ; Savin, Anton ; Schulze, Bert-Wolfgang ; Sternin, Boris
Elliptic theory on manifolds with nonisolated singularities : III. The spectral flow of families of conormal symbols
Kurzfassung auf EnglischWhen studyind elliptic operators on manifolds with nonisolated singularities one naturally encounters families of conormal symbols (i.e. operators elliptic with parameter p ∈ IR in the sense of Agranovich-Vishik) parametrized by the set of singular points. For homotopies of such families we define the notion of spectral flow, which in this case is an element of the K-group of the parameter space. We prove that the spectral flow is equal to the index of some family of operators on the infinite cone.
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