1 Table of Contents: “... The Gordon–Webb–Wolpert Isospectral Domains -- A Linear Representations of Finite Groups and Almost-Conjugate...”

2 “... of isospectral, non-isometric manifolds, and thus do not focus on analytic techniques, but rather on algebraic...”

3 Table of Contents: “... and the bifurcation of the eigenvalues of Hill's operator -- Self-dual Yang-Mills fields -- About isospectral...”

4 Table of Contents: “.... Isospectral Closed Riemannian Manifolds -- 5. Spectral Properties of the Laplacians for the de Rham Complex...”

5 Table of Contents: “... -- Algebraic geometric properties of spectral surfaces of quantum integrable systems and their isospectral...”