A sharp bound for the ratio of the first two eigenvalues of Dirichlet Laplacians and extensions
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Publication:1197345
DOI10.2307/2946578zbMath0757.35052OpenAlexW2000523938WikidataQ59158304 ScholiaQ59158304MaRDI QIDQ1197345
Mark S. Ashbaugh, Rafael D. Benguria
Publication date: 16 January 1993
Published in: Annals of Mathematics. Second Series (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.2307/2946578
Estimates of eigenvalues in context of PDEs (35P15) Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation (35J05)
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