Singular spectrum for radial trees

Singular Values and Eigenvalues of Tensors: A Variational Approach

Singular Weyl-Titchmarsh-Kodaira Theory for Jacobi Operators

Skew-self-adjoint discrete and continuous Dirac type systems: inverse problems and Borg-Marchenko theorems

Slowly decaying Wigner--von Neumann type potentials

Smilansky's model of irreversible quantum graphs, I: the absolutely continuous spectrum

Smilansky's model of irreversible quantum graphs, II: the point spectrum

Smoothing noisy spectroscopic data with many-knot spline method

Smoothness of Hill's potential and lengths of spectral gaps

Solutions, Spectrum, and Dynamica for Schrödinger Operators on Infinite Domains

Solvable models for the Schrodinger operators with $δ'$-like potentials

Some Applications of the Spectral Shift Operator

Some connections between almost periodic and periodic discrete Schroedinger operators with analytic potentials

Some improvements in the method of the weakly conjugate operator

Some inverse spectral results for semi-classical Schrödinger operators

Some problems of summability of spectral expansions connected with Laplace operator on sphere

Some properties of the Sturm-Liouville operator in L_p(R)

Some results on non-self-adjoint operators, a survey

Some sharp norm estimates in the subspace perturbation problem

Some upper bounds on the number of resonances for manifolds with infinite cylindrical ends