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
On the Spectrum of the Orr-Sommerfeld Equation on the semiaxis
On the spectrum of the reduced wave operator with cylindrical discontinuity
On the stability of a forward-backward heat equation
On the uniform distribution of the Prüfer angles and its implication to a sharp spectral transition of Jacobi matrices with randomly sparse perturbations
On the virial theorem for the relativistic operator of Brown and Ravenhall, and the absence of embedded eigenvalues
On the weak and ergodic limit of the spectral shift function
On the Well-possedness of the Problem of Reconstruction of Non-separate Boundary Conditions
On the zero modes of Pauli operators
On unbounded operators and applications
On unconditional basisness of B-quasi-exponentials
On weakly formulated Sylvester equations and applications