Eigenvalues Below the Essential Spectra of Singular Elliptic Operators

DOI10.2307/2000464zbMath0638.35063OpenAlexW4256297488MaRDI QIDQ3779125

Roger T. Lewis, W. Desmond Evans

Publication date: 1986

Full work available at URL: https://doi.org/10.2307/2000464

zbMATH Keywords

Schrödinger operatorsessential spectrumdiscrete spectrumsmallest eigenvaluelower boundsnon-relativistic quantum mechanicssingular elliptic differential operator

Mathematics Subject Classification ID

Boundary value problems for second-order elliptic equations (35J25) Estimates of eigenvalues in context of PDEs (35P15) Linear symmetric and selfadjoint operators (unbounded) (47B25) General theory of partial differential operators (47F05)

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