Faris, William; Simon, Barry Degenerate and non-degenerate ground states for Schrödinger operators. (English) Zbl 0339.35033 Duke Math. J. 42, 559-567 (1975). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 13 Documents MSC: 35J10 Schrödinger operator, Schrödinger equation 34L99 Ordinary differential operators 47A40 Scattering theory of linear operators 35P25 Scattering theory for PDEs 46N99 Miscellaneous applications of functional analysis PDF BibTeX XML Cite \textit{W. Faris} and \textit{B. Simon}, Duke Math. J. 42, 559--567 (1975; Zbl 0339.35033) Full Text: DOI