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On spectral identities for the Schrödinger operator involving a virtual level. (English. Russian original) Zbl 0694.35125

Vestn. Leningr. Univ., Math. 21, No. 2, 96-98 (1988); translation from Vestn. Leningr. Univ., Ser. I 1988, No. 2, 125-127 (1988).
Summary: A series of spectral identities for a two-particle Schrödinger- Hamiltonian in \({\mathbb{R}}^ 3\) in the presence of a virtual level and eigenvalue at the beginning of the continuous spectrum is obtained.

MSC:

35P15 Estimates of eigenvalues in context of PDEs
35J10 Schrödinger operator, Schrödinger equation
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