Coincidence of length spectra does not imply isospectrality

DOI10.1088/0266-5611/21/4/013zbMath1083.35077arXivmath/0505200OpenAlexW3100464715MaRDI QIDQ5697515

Stephen A. Fulling, Peter A. Kuchment

Publication date: 18 October 2005

Published in: Inverse Problems (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/math/0505200

zbMATH Keywords

inverse spectral problembilliardDirichlet Laplacianmushroom

Mathematics Subject Classification ID

Inverse problems for PDEs (35R30) Asymptotic distributions of eigenvalues in context of PDEs (35P20) Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation (35J05) Isospectrality (58J53)

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