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most citedOn Harrell-Stubbe Type Inequalities for the Discrete Spectrum of a Self-Adjoint Operator

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math.SP2000

Isoperimetric and Universal Inequalities for Eigenvalues

Mark S. Ashbaugh

This paper reviews many of the known inequalities for the eigenvalues of the Laplacian and bi-Laplacian on bounded domains in Euclidean space. In particular, we focus on isoperimet…