A topological version of Levinson's theorem

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In the framework of scattering theory, we show how the scattering matrix can be related to the projection on the bound states by an index map of K-theory. Pairings with appropriate cyclic cocyles lead naturally to a topological version of Levinson's theorem.
6 pages

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Mathematical Physics

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https://dspace.dare.co.zw/handle/123456789/89928

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arXiv

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