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
On Weyl-Titchmarsh Theory for Singular Finite Difference Hamiltonian Systems
Operator integrals with respect to a spectral measure and solutions to some operator equations
Operator interpretation of resonances generated by some operator matrices
Operator theoretic methods for the eigenvalue counting function in spectral gaps
Operators Similar to Contractions and Their Similarity to a Normal Operator
Operators with smooth functional calculi
Optimal lower bound of the resonance widths for a Helmhotz tube-shaped resonator
Optimal Wegner estimates for random Schroedinger operators on metric graphs
Optimality of log Hölder continuity of the integrated density of states