Treffer 41 - 60 von 1.114

41

Solution of a multiple Nevanlinna–Pick problem via orthogonal rational functions: Solution of a multiple Nevanlinna--Pick problem via orthogonal rational functions
Andreas Lasarow ; Heinz Langer
Journal of Mathematical Analysis and Applications. 293:605-632

Schur–Nevanlinna algorit... Schur and Szegő paramete... Applied Mathematics orthogonal rational func... Szegö parameters Caratheodory functions
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42

Spectral problems for generalized Jacobi matrices
Vladimir Derkach ; Maxim Derevyagin
Linear Algebra and its Applications. 382:1-24

Schur algorithm Eigenvalues, singular va... Jacobi (tridiagonal) ope... Continued fraction Inverse problems in line... Moment problems and inte...
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43

A fundamental principle for invariant subspaces in convex domains: The fundamental principle for invariant subspaces in convex domains.
A S Krivosheev
Izvestiya: Mathematics. 68:291-353

spectral synthesis Entire functions of one... entire function interpolation problem Linear function spaces a... Special classes of entir...
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44

Positive extension problems for a class of structured matrices: Positive extension problems for a class of structured matrices.
Paul Smith ; Vladimir Bolotnikov
Linear Algebra and its Applications. 381:165-195

Numerical Analysis Algebra and Number Theor... Matrix equations and ide... maximal determinant exte... Stein equation positive definite extens...
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45

The Sylvester-Ramanujan System of Equations and The Complex Power Moment Problem: The Sylvester-Ramanujan system of equations and the complex power moment problem
Yuri I. Lyubich
The Ramanujan Journal. 8:23-45

moment problem quadrature formulas 0101 mathematics Moment problems and inte... 01 natural sciences
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46

Nevanlinna–Pick Problem for Stieltjes Matrix Functions: Nevanlinna-Pick problem for Stieltjes matrix functions
Yu. M. Dyukarev
Ukrainian Mathematical Journal. 56:446-465

Stieltjes matrix functio... 0101 mathematics Moment problems and inte... Nevanlinna-Pick problem indeterminacy Linear operator methods...
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47

A unified treatment for the matrix Stieltjes moment problem: A unified treatment for the matrix Stieltjes moment problem.
Yong-Jian Hu ; Gong-Ning Chen
Linear Algebra and its Applications. 380:227-239

Numerical Analysis Algebra and Number Theor... Block Hankel matrix truncated Stieltjes mome... Moment problems and inte... 01 natural sciences
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48

Nonlinear Riemann-Hilbert Problems and Boundary Interpolation: Nonlinear Riemann-Hilbert problems and boundary interpolation
Gunter Semmler ; Elias Wegert
Computational Methods and Function Theory. 3:179-199

Riemann-Hilbert problem Approximation with const... boundary value problem interpolation problem Boundary value problems... Riemann-Hilbert problems...
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49

On Rank Invariance of Schwarz-Pick-Potapov Block Matrices of Matricial Schur Functions: On rank invariance of Schwarz-Pick-Potapov block matrices of matricial Schur functions
Bernd Fritzsche ; Bernd Kirstein ; Andreas Lasarow
Integral Equations and Operator Theory. 48:305-330

Nevanlinna-Pick interpol... Schur algorithm Schur function 0101 mathematics Moment problems and inte... Linear operator methods...
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50

The constant of interpolation
Nicolau, Artur ; Ortega Cerdà, Joaquim ; Seip, Kristian
Dipòsit Digital de la UB
Universidad de Barcelona
Articles publicats en revistes (Matemàtiques i Informàtica)

Functional analysis Mathematics - Complex Va... Funcions de variables co... interpolation problem harmonic majorant Moment problems and inte...
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51

Reconstructing an Analytic Function Using Truncated Lagrange Polynomials: Reconstructing an analytic function using truncated Lagrange polynomials
Tran Ngoc Lien ; Dang Duc Trong
Zeitschrift für Analysis und ihre Anwendungen. 22:925-938

0301 basic medicine 0303 health sciences 03 medical and health sc... Numerical solutions of i... regularization Hardy spaces
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52

On Density Conditions for Interpolation in the Ball: On density conditions for interpolation in the ball
Xavier Massaneda ; Nicolas Marco
Canadian Mathematical Bulletin. 46:559-574

automorphisms of the uni... interpolating sequences Bergman spaces of functi... holomorphic functions density conditions 0101 mathematics
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53

Length functions of lemniscates
Olga S. Kuznetsova ; Vladimir G. Tkachev
manuscripta mathematica. 112:519-538

Mathematics - Differenti... Laplace transform Mathematics - Complex Va... Research exposition (mon... Positive definite functi... lemniscate
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54

Incompleteness and closure of a linear span of exponential system in a weighted Banach space: Incompleteness and closure of a linear span of exponential system in a weighted Banach space.
Guantie Deng
Journal of Approximation Theory. 125:1-9

Mathematics(all) Numerical Analysis Closure Banach spaces of continu... Applied Mathematics Incompleteness
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55

On Schur–Nevanlinna–Pick Indefinite Interpolation Problem: On Schur-Nevanlinna-Pick indefinite interpolation problem
Vladimir Derkach
Ukrainian Mathematical Journal. 55:1567-1587

resolvent matrix Linear operators on spac... Pontryagin space 0101 mathematics Moment problems and inte... Nevanlinna-Pick problem
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56

The two-by-two spectral Nevanlinna-Pick problem
Agler J ; Young NJ
Transactions of the American Mathematical Society. 356:573-585

spectral radius Research exposition (mon... unit disc matrix-valued function spectral Nevanlinna-Pick... 0101 mathematics
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57

The Bitangential Inverse Input Impedance Problem for Canonical Systems, I: Weyl-Titchmarsh Classification, Existence and Uniqueness: The bitangential inverse input impedance problem for canonical systems. I: Weyl-Titchmarsh classification, existence and uniqueness
Harry Dym ; Damir Z. Arov
Integral Equations and Operator Theory. 47:3-49

bitangential interpolati... Linear operators in repr... input impedances inverse problems Weyl-Titchmarsh classifi... Inverse problems involvi...
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58

Extremal functions as divisors for kernels of Toeplitz operators: Extremal functions as divisors for kernels of Toeplitz operators.
Andreas Hartmann ; Kristian Seip
Journal of Functional Analysis. 202:342-362

Extremal functions Toeplitz operators, Hank... Nearly invariant subspac... 0101 mathematics Moment problems and inte... Hilbert spaces of contin...
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59

Nevanlinna–Pick interpolation: Pick matrices have bounded number of negative eigenvalues: Nevanlinna-Pick interpolation: Pick matrices have bounded number of negative eigenvalues
Vladimir Bolotnikov ; Leiba Rodman ; Alexander Kheifets
Proceedings of the American Mathematical Society. 132:769-780

Nevanlinna-Pick interpol... Pick matrices 0101 mathematics Moment problems and inte... 01 natural sciences Interpolation in approxi...
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60

The Weighted Nehari-Dym-Gohberg Problem: The weighted Nehari-Dym-Gohberg problem
M. D. Morán ; A. Octavio ; Stefania Marcantognini
Integral Equations and Operator Theory. 46:341-362

matrix and scalar weight... Wiener class Nehari's problem 0101 mathematics Moment problems and inte... Linear operator methods...
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