A lower bound for the gap between the first two eigenvalues of Schrödinger operators on convex domains in \(\mathbb{S}^ n\) or \(\mathbb{R}^ n\)
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Publication:1310136
DOI10.1307/mmj/1029004752zbMath0795.35069OpenAlexW2022147065MaRDI QIDQ1310136
Publication date: 2 January 1994
Published in: Michigan Mathematical Journal (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1307/mmj/1029004752
Estimates of eigenvalues in context of PDEs (35P15) PDEs in connection with quantum mechanics (35Q40)
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