Coefficients Averaging for Functional Operators Generated by Irrational Rotation -- On the Verification of Linear Equations and the Identification of the Toeplitz-plus-Hankel Structure -- Asymmetric Factorizations of Matrix Functions on the Real Line -- On the Structure of the Square of a C 0(1) Operator -- On the Connection Between the Indices of a Block Operator Matrix and of its Determinant -- Quasi-commutativity of Entire Matrix Functions and the Continuous Analogue of the Resultant -- Double Barrier Options Under Lévy Processes -- A Local-trajectory Method and Isomorphism Theorems for Nonlocal C*-algebras -- Boundedness in Lebesgue Spaces with Variable Exponent of the Cauchy Singular Operator on Carleson Curves -- On the Averaging Method for the Problem of Heat Convection in the Field of Highly-Oscillating Forces -- Finite Sections of Band-dominated Operators with Almost Periodic Coefficients -- On the Toeplitz Operators with Piecewise Continuous Symbols on the Bergman Space -- Asymptotics of a Class of Operator Determinants.