Aug 31, 2017 · In two dimensions, non isometric, isospectral domains exist. It is not known however if all the eigenvalues relative to a specific domain can be ...

Mar 29, 2018 · Abstract:Concerning the Laplace operator with homogeneous Dirichlet boundary conditions, the classical notion of isospectrality assumes that ...

Mar 29, 2018 · Abstract. Concerning the Laplace operator with homogeneous Dirichlet boundary conditions, the classical notion of isospectrality assumes ...

In two dimensions, non isometric, isospectral domains exist. It is not known however if all the eigenvalues relative to a specific domain can be preserved under ...

It is shown that this is possible when the 2D Laplacian is replaced by a finite dimensional version and the geometry is modified by respecting certain ...

In two dimensions, non isometric, isospectral domains exist. It is not known however if all the eigenvalues relative to a specific domain can be preserved under ...

In two dimensions, non isometric, isospectral domains exist. It is not known however if all the eigenvalues relative to a specific domain can be preserved under ...

Mar 15, 2020 · Abstract. We consider elliptic operators associated with discrete groups of quantized canonical transformations. In order to be able to apply ...

Apr 6, 2016 · Abstract. The article surveys the main topics, techniques, and results of the theory of periodic operators arising in mathematical physics ...