On the Singular Weyl-Titchmarsh Function of Perturbed Spherical Schroedinger Operators
On the spectra of generalized Fibonacci and Fibonacci-like operators
On the spectra of Schwarz matrices with certain sign patterns
On the Spectral Analysis of Direct Sums of Riemann-Liouville Operators in Sobolev Spaces of Vector Functions
On the spectral estimates for Schrödinger type operators. The case of small local dimension
On the spectral estimates for the Schrödinger operator on $\Z^d,\ d\ge3$
On the Spectral Gap for Convex Domains
On the Spectral Properties of the Landau Hamiltonian Perturbed by a moderately Decaying Magnetic Field
On the spectral Theory of Operator Measures
On the spectral theory of operators on trees
On the spectral theory of trees with finite cone type
On the spectrum of Bargmann-Toeplitz operators with symbols of a variable sign
On the spectrum of Jacobi operators with quasi-periodic algebro-geometric coefficients
On the spectrum of Schrödinger operators with quasi-periodic algebro-geometric KdV potentials
On the spectrum of second order differential operators with complex coefficients
On the spectrum of skew-shift Schrödinger operators
On the Spectrum of the Dirichlet Laplacian in a Narrow Strip
On the Spectrum of the Dirichlet Laplacian in a Narrow Strip, II
On the spectrum of the Laplace-Beltrami operator for $p$-forms for a class of warped product metrics
On the spectrum of the Laplace-Beltrami operator for p-forms on asymptotically hyperbolic manifolds