- 07-312 Jussi Behrndt, Mark M. Malamud, Hagen Neidhardt
- Trace formulae for dissipative and coupled scattering systems
(451K, pdf)
Dec 19, 07
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Abstract. For scattering systems consisting of a (family of)
maximal dissipative extension(s)
and a selfadjoint extension of a symmetric operator with
finite deficiency indices,
the spectral shift function is expressed in terms of an abstract
Titchmarsh-Weyl function and a variant of the Birman-Krein formula is proved.
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