Operator Theory, Analysis and Mathematical Physics

Finiteness of Eigenvalues of the Perturbed Dirac Operator.- A Mathematical Study of Quantum Revivals and Quantum Fidelity.- On Relations Between Stable and Zeno Dynamics in a Leaky Graph Decay Model.- On the Spectrum of Partially Periodic Operators.- Functional Model for Singular Perturbations of Non-self-adjoint Operators.- Trace Formulas for Jacobi Operators in Connection with Scattering Theory for Quasi-Periodic Background.- Dirichlet-to-Neumann Techniques for the Plasma-waves in a Slot-diod.- Inverse Spectral Problem for Quantum Graphs with Rationally Dependent Edges.- Functional Model of a Class of Non-selfadjoint Extensions of Symmetric Operators.- Lyapunov Exponents at Anomalies of SL(2, ?)-actions.- Uniform and Smooth Benzaid-Lutz Type Theorems and Applications to Jacobi Matrices.- An Example of Spectral Phase Transition Phenomenon in a Class of Jacobi Matrices with Periodically Modulated Weights.- On Connection Between Factorizations of Weighted Schur Functions and Invariant Subspaces.