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Title page

Copyright page

Contents

Integration and differentiation of functions of Hermitian operators and applications to the theory of perturbations

Reduction of nonselfadjoint operators to diagonal form

Theorems on the completeness of the system of characteristic and adjoined elements of operators having a discrete spectrum

Nonselfadjoint operators with a trace

Simplicity of isometric operators and their extensions

On triangular representations of completely continuous operators with a one-point spectrum

Boundedness of 𝐽-isometric operators

Differentiation of non-hermitian matrix functions depending on a parameter

On operators with a separable spectrum

Discontinuities of the Green’s function of a mixed problem for the wave equation

The principle of limiting absorption

The Boltzmann equation in the kinetic theory of gases

Boundary problems for linear and quasilinear parabolic equations

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