- 10-154 J. Kellendonk, S. Richard
- On the wave operators and Levinson's theorem for potential scattering in R^3
Sep 23, 10
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Abstract. The paper is a presentation of recent investigations on potential scattering in R^3. 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.