Operators and Matrices · Volume 8, Issue 1 Analytical aspects of isospectral drums 08-14 Pages 255-277 DOI 10.7153/oam-08-14 Downloads Short PDF Full PDF PNG Authors W. Arendt A. F. M. ter Elst J. B. Kennedy Keywords isospectral domains Laplacian elliptic differential operator form method Dirichlet boundary conditions Neumann boundary conditions Robin boundary conditions Subject classes 58J53 35P05 47F05 35R30