On the first and second eigenvalues of Schrödinger operator

zbMath0782.35048MaRDI QIDQ1801721

Qihuang Yu

Publication date: 17 August 1993

Published in: Chinese Annals of Mathematics. Series B (Search for Journal in Brave)

zbMATH Keywords

upper bound of the gap between the second and first eigenvalues

Mathematics Subject Classification ID

Estimates of eigenvalues in context of PDEs (35P15) General theory of partial differential operators (47F05) Schrödinger operator, Schrödinger equation (35J10)

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