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On the wave operators and Levinson's theorem for potential scattering in R^3 (1009.4746v1)
Published 24 Sep 2010 in math-ph and math.MP
Abstract: The paper is a presentation of recent investigations on potential scattering in R3. We advocate a new formula for the wave operators and deduce the various outcomes that follow from this formula. A topological version of Levinson's theorem is proposed by interpreting it as an index theorem.
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