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Paper detail

Two balls maximize the third Neumann eigenvalue in hyperbolic space

We show that the third eigenvalue of the Neumann Laplacian in hyperbolic space is maximal for the disjoint union of two geodesic balls, among domains of given volume. This extends a recent result by Bucur and Henrot in Euclidean space, while providing a new proof of a key step in their argument

preprint2020arXivOpen access
Pedro FreitasRichard S. Laugesen
math.APmath.SPmath.DG
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Pedro FreitasRichard S. Laugesen

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