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ISSN 1088-9485(e) ISSN 0273-0979(p)

Proof of the Payne-Pólya-Weinberger conjecture

Author(s): Mark S. Ashbaugh; Rafael D. Benguria
Journal: Bull. Amer. Math. Soc. 25 (1991), 19-29.
MSC (1985): Primary 35P15, 49Gxx; Secondary 35J05, 33A40
MathSciNet review: 1085824
Retrieve article in: PDF

References:

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[AB2] M. S. Ashbaugh and R. D. Benguria, Sharp bound for the ratio of the first two eigenvalues of Dirichlet Laplacians and extensions (in preparation).

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