This cluster of papers focuses on the spectral theory and properties of differential operators, particularly Schrödinger operators, on various structures such as quantum graphs and thin manifolds. It explores topics such as localization, inverse spectral problems, Anderson localization, scattering theory, and Weyl–Titchmarsh theory. The papers also delve into eigenvalue estimates and applications to quantum chaos and universal spectral statistics.
Spectral Theory; Differential Operators; Quantum Graphs; Localization; Schrödinger Operators; Inverse Spectral Problems; Anderson Localization; Scattering Theory; Weyl–Titchmarsh Theory; Eigenvalue Estimates