V. Derkach

发表

On Linear Fractional Transformations Associated with Generalized J-Inner Matrix Functions

H. Dym, V. Derkach, 2009, 0901.0193.

On realization of the Krein-Langer class Nk of matrix-valued functions in Hilbert spaces with indefinite metric

V. Derkach, S. Belyi, E. Tsekanovskiĭ, 2005, math/0509185.

Convergence of Diagonal Padé Approximants for a Class of Definitizable Functions

V. Derkach, M. Derevyagin, 2008, 0809.2391.

Singular Perturbations of Self-Adjoint Operators

S. Hassi, V. Derkach, Henk de Snoo, 2003 .

Boundary relations and generalized resolvents of symmetric operators

S. Hassi, H. Snoo, V. Derkach, 2006, math/0610299.

Generalized Nevanlinna Functions with Polynomial Asymptotic Behaviour at Infinity and Regular Perturbations

S. Hassi, H. Snoo, V. Derkach, 2001 .

A Generalized Schur–Takagi Interpolation Problem

H. Dym, V. Derkach, 2014, Integral Equations and Operator Theory.

Asymptotic Expansions of Generalized Nevanlinna Functions and their Spectral Properties

S. Hassi, H. Snoo, V. Derkach, 2007 .

Boundary Triplets, Weyl Functions, and the Kreĭn Formula

V. Derkach, 2014 .

On Schur–Nevanlinna–Pick Indefinite Interpolation Problem

V. Derkach, 2003 .

Full indefinite Stieltjes moment problem and Padé approximants

V. Derkach, I. Kovalyov, 2020, 2002.07456.

Darboux transformations of Jacobi matrices and Padé approximation

Maxim S. Derevyagin, V. Derkach, M. Derevyagin, 2010, 1012.3712.

Spectral problems for generalized Jacobi matrices

Maxim S. Derevyagin, V. Derkach, M. Derevyagin, 2004 .

An operator approach to the indefinite Stieltjes moment problem

V. Derkach, I. Kovalyov, 2017 .

Schur algorithm for Stieltjes indefinite moment problem

V. Derkach, I. Kovalyov, 2016, 1606.03371.

Weyl function of a Hermitian operator and its connection with characteristic function

V. Derkach, M. Malamud, 2015, 1503.08956.

Truncated moment problems in the class of generalized Nevanlinna functions

S. Hassi, V. Derkach, Henk de Snoo, 2010, 1101.0162.

INTERPOLATION IN GENERALIZED NEVANLINNA AND STIELTJES CLASSES

V. Derkach, A. Amirshadyan, 2007 .

On generalized resolvents of Hermitian relations in Krein spaces

V. Derkach, 1999 .

Non-self-adjoint extensions of a hermitian operator and their characteristic functions

V. Derkach, M. Malamud, 1999 .

INTERPOLATION IN GENERALIZED NEVANLINNA

V. Derkach, A. Amirshadyan, 1999 .

On Weyl function and generalized resolvents of a Hermitian operator in a Krein space

V. Derkach, 1995 .

The extension theory of Hermitian operators and the moment problem

V. Derkach, M. Malamud, 1995 .

Generalized resolvents and the boundary value problems for Hermitian operators with gaps

V. Derkach, M. Malamud, Vladimir Derkach, 1991 .

On realization of the Krein-Langer class Nk of matrix-valued functions in Hilbert spaces with indefinite metric

V. Derkach, S. Belyi, E. Tsekanovskiĭ, 2005, math/0509185.

Extensions of Laguerre operators in indefinite inner product spaces

V. Derkach, 1998 .

Inverse problem in the theory of characteristic operator functions of unbounded operator bundles in a ∏ϰ space

V. Derkach, Y. Arlinskii̇̆, 1979 .

Generalized boundary triples, Weyl functions and inverse problems

S. Hassi, V. Derkach, M. Malamud, 2017, 1706.07948.

Abstract Interpolation Problem in Nevanlinna Classes

V. Derkach, 2007, 0710.5234.

Boundary relations and their Weyl families

S. Hassi, H. Snoo, V. Derkach, 2006 .

Bitangential Interpolation in Generalized Schur Classes

H. Dym, V. Derkach, 2009, 0901.1171.

INVARIANCE THEOREMS FOR NEVANLINNA FAMILIES

S. Hassi, V. Derkach, M. Malamud, 2015, 1503.05606.

Working Papers of the University of Vaasa , Department of Mathematics and Statistics 6 Boundary relations and their Weyl families

S. Hassi, H. Snoo, V. Derkach, 2004 .

Characteristic functions of almost solvable extensions of Hermitian operators

V. Derkach, M. Malamud, 1992 .

Coupling of definitizable operators in Krein spaces

C. Trunk, V. Derkach, 2017 .