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Publication:3722942
zbMath0593.35031MaRDI QIDQ3722942
Publication date: 1985
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Schrödinger operatorimplicit function theoremseries expansionsthreshold eigenvaluesnegative eigenvaluesBirman-Schwinger principles-wavesWeinstein- Aronszajn determinant
Estimates of eigenvalues in context of PDEs (35P15) Spectrum, resolvent (47A10) Schrödinger operator, Schrödinger equation (35J10) General mathematical topics and methods in quantum theory (81Q99)
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