Isospectral domains with mixed boundary conditions
arXiv:math/0510505 · doi:10.1088/0305-4470/39/9/006
Abstract
We construct a series of examples of planar isospectral domains with mixed Dirichlet-Neumann boundary conditions. This is a modification of a classical problem proposed by M. Kac.
9 figures. Statement of Theorem 5.1 corrected