Some Applications of the Spectral Shift Operator

Details Some Applications of the Spectral Shift Operator Some Applications of the Spectral Shift Operator

1999-03-31

arxiv.org/abs/math/9903186v1

Mathematics

Spectral Theory

LaTeX, 27 pages

Scientific paper

The recently introduced concept of a spectral shift operator is applied in several instances. Explicit applications include Krein's trace formula for pairs of self-adjoint operators, the Birman-Solomyak spectral averaging formula and its operator-valued extension, and an abstract approach to trace formulas based on perturbation theory and the theory of self-adjoint extensions of symmetric operators.

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