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Weak type estimates for singular values and the number of bound states of Schrödinger operators. (English) Zbl 0362.47006


MSC:

47B10 Linear operators belonging to operator ideals (nuclear, \(p\)-summing, in the Schatten-von Neumann classes, etc.)
47A10 Spectrum, resolvent
47F05 General theory of partial differential operators
35J10 Schrödinger operator, Schrödinger equation
35P15 Estimates of eigenvalues in context of PDEs
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