Treffer 1 - 20 von 550

1

The Nevanlinna formula for matrix Nevanlinna-Pick interpolation
Dyukarev, Yury
Linear Algebra and its Applications. 709:241-270

Moment problems matrix Nevanlinna-Pick i... matrix Hamburger moment... Moment problems and inte... Approximation in the com... Linear operator methods...
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2

Distinguished varieties and the Nevanlinna–Pick problem on the symmetrized bidisk: Distinguished varieties and the Nevanlinna-Pick problem on the symmetrized bidisk
Das, B. Krishna ; Kumar, Poornendu ; Sau, Haripada
Mathematische Zeitschrift. 310

Nevanlinna-Pick interpol... reproducing kernels realization formulae Several-variable operato... Analytic subsets and sub... uniqueness varieties
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3

A new class of gamma-type operator and its improvement: theory and numerical experiments
Hassan Khosravian-Arab ; Mehdi Dehghan
Computational and Applied Mathematics. 44

Linear operator approxim... Weierstrass' theorem Approximations and expan... Algorithms for approxima... Numerical integration positive linear operator
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4

Flat extension technique for moment matrices of positive linear functionals over mixed polynomials and an application in quantum information
Thanh Hieu Le ; Minh Toan Ho
Annals of Functional Analysis. 16

flat extension mixed polynomial moment matrix Other ''noncommutative'... Hermitian, skew-Hermitia... squared norm polynomial
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5

CMV matrices, a matrix version of Baxter's theorem, scattering and de Branges spaces
Dym H ; Kimsey DP
EMS Surveys in Mathematical Sciences. 3:1-105

Baxter's theorem Linear operators in repr... de Branges spaces Jacobi (tridiagonal) ope... matrix orthogonal polyno... Nehari problem
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6

Orthogonality of analytic polynomials: a little step further
Szafraniec, Franciszek
Journal of Computational and Applied Mathematics. 179:343-353

Complex moment problem subnormal operator Positive definiteness positive definiteness Applied Mathematics Recurrence relation
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7

Compact Solutions To An Operator Equation In Nest and Csl Algebras: Compact solutions to an operator equation in nest and CSL algebras
Power, S. C. ; Annousis, A. ; Katsoulis, E.

CSL algebra nest algebra Abstract operator algebr... interpolation problem vector interpolation equ... Linear operator methods...
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8

Interpolation Problems For Hilbert-Schmidt Operators In Reflexive Algebras: Interpolation problems for Hilbert-Schmidt operators in reflexive algebras
Katsoulis, Eg ; Anousis, M ; Moore, Rl ; et al.

Linear operators belongi... ideal of Hilbert-Schmidt... \(n\)-vector interpolati... nest algebra Abstract operator algebr... Linear operator methods...
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9

On Truncated Matricial Stieltjes Type Moment Problems: On truncated matricial Stieltjes type moment problems
Yuriy M. Dyukarev ; Bernd Fritzsche ; Conrad Mädler ; et al.
Complex Analysis and Operator Theory. 4:905-951

nonnegative Hermitian bl... nonnegative Hermitian me... truncated matricial Stie... completely degenerate no... Moment problems 0101 mathematics
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10

Parameterization of All Solutions of the Three Chains Completion Problem: Parametrization of all solutions of the three chains completion problem
Ciprian Foias ; Arthur E. Frazho ; Marinus A. Kaashoek ; et al.
Metric Constrained Interpolation, Commutant Lifting and Systems ISBN: 9783034897754

Quasitriangular and nonq... 0101 mathematics Moment problems and inte... 16. Peace & justice Linear operator methods... 01 natural sciences
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11

A Criterion for the Nonuniqueness of the Measure of Orthogonality: A criterion for the nonuniqueness of the measure of orthogonality
Ifantis, E. K.
Journal of Approximation Theory. 89:207-218

Mathematics(all) Numerical Analysis Applied Mathematics Applied mathematics Moment problems and inte... 01 natural sciences
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12

On rank invariance of generalized Schwarz–Pick–Potapov block matrices of matrix-valued Carathéodory functions: On rank invariance of generalized Schwarz--Pick--Potapov block matrices of matrix-valued Carathéodory functions
Andreas Lasarow
Linear Algebra and its Applications. 413:36-58

Numerical Analysis Algebra and Number Theor... Matricial Carathéodory f... matricial Carathéodory f... generalized Schwarz--Pic... Nevanlinna--Pick interpo...
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13

The Nehari problem for the Pritchard-Salamon class of infinite-dimensional linear systems: a direct approach: The Nehari problem for the Pritchard-Salamon class of infinite- dimensional linear systems: A direct approach
Ruth F. Curtain ; Hans Zwart
Integral Equations and Operator Theory. 18:130-153

0209 industrial biotechn... \(H^\infty\)-control 02 engineering and techn... 01 natural sciences infinitesimal generator... Nehari-problem
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14

Carathéodory interpolation on the non-commutative polydisk
Dmitry S. Kalyuzhnyı˘-Verbovetzkiı˘
Journal of Functional Analysis. 229:241-276

01 natural sciences 47A57 47A13 46L89 47A20 FOS: Mathematics
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15

Real interpolation of domains of sectorial operators on Lp-spaces: Real interpolation of domains of sectorial operators on \(L_p\)-spaces
Lutz Weis ; Tamara Kucherenko
Journal of Mathematical Analysis and Applications. 310:278-285

Functional calculus for... real interpolation representation of regula... Real interpolation Interpolation between no... Representation of regula...
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16

A Grassmannian band method approach to the Nehari–Takagi problem: A Grassmannian band method approach to the Nehari--Takagi problem
Orest Iftime ; Marinus A. Kaashoek ; Amol Sasane
Journal of Mathematical Analysis and Applications. 310:97-115

OPERATORS Nehari–Takagi problem 0209 industrial biotechn... SDG 16 - Peace Operator-theoretic metho... Applied Mathematics
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17

Tensor algebras and displacement structure. IV. Invariant kernels
Nermine El-Sissi ; Tiberiu Constantinescu ; T. Banks
Linear Algebra and its Applications. 405:83-103

Numerical Analysis displacement structure Algebra and Number Theor... Displacement structure invariant positive defin... Dyck paths
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18

THE QUARTIC MOMENT PROBLEM: The quartic moment problem
Li, Chunji ; Lee, Sang Hoon
Journal of the Korean Mathematical Society. 42:723-747

flat extension Moment problems 0101 mathematics Moment problems and inte... quartic moment problem Linear operator methods...
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19

Commutant lifting and factorization of reproducing kernels
Serguei Shimorin
Journal of Functional Analysis. 224:134-159

commutant lifting reproducing kernels Linear operators in repr... Commutant lifting Dilations, extensions, c... Hilbert spaces with repr...
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20

On Hilbert modules of rational matrix-valued functions and related inverse problems
Andreas Lasarow ; Bernd Fritzsche ; Bernd Kirstein
Journal of Computational and Applied Mathematics. 179:215-248

Linear operators in repr... Applied Mathematics Nonnegative Hermitian Bo... Moment problems and inte... Reproducing kernels 01 natural sciences
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