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The spectral shift function arising from perturbations of a positive operator. (Russian) Zbl 0505.47016


MSC:

47B25 Linear symmetric and selfadjoint operators (unbounded)
47A55 Perturbation theory of linear operators
47B10 Linear operators belonging to operator ideals (nuclear, \(p\)-summing, in the Schatten-von Neumann classes, etc.)
47B06 Riesz operators; eigenvalue distributions; approximation numbers, \(s\)-numbers, Kolmogorov numbers, entropy numbers, etc. of operators
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