Differences of spectral projections and scattering matrix

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In the scattering theory framework, we point out a connection between the spectrum of the scattering matrix of two operators and the spectrum of the difference of spectral projections of these operators.
Latex, 14 pages

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Spectral Theory, 47A40 (Primary) 35P25, 47B35 (Secondary)

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http://salesiana.dossiersoluciones.com/handle/123456789/123646

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0702253
 http://arxiv.org/abs/math/0702253

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arXiv