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1

Solution of a multiple Nevanlinna–Pick problem via orthogonal rational functions

Heinz Langer, Andreas Lasarow

Journal:

Journal of Mathematical Analysis and Applications

Year:

2004

Language:

english

File:

PDF, 330 KB

english, 2004

2

On Rank Invariance of Schwarz-Pick-Potapov Block Matrices of Matricial Schur Functions

Bernd Fritzsche, Bernd Kirstein, Andreas Lasarow

Journal:

Integral Equations and Operator Theory

Year:

2004

Language:

english

File:

PDF, 348 KB

english, 2004

3

On the Weyl Matrix Balls Associated with the Matricial Schur Problem in the Nondegenerate and Degenerate Cases

Vladimir Kirillovich Dubovoj, Bernd Fritzsche, Bernd Kirstein, Andreas Lasarow

Journal:

Complex Analysis and Operator Theory

Year:

2008

Language:

english

File:

PDF, 391 KB

english, 2008

4

Shift operators contained in contractions, pseudocontinuable Schur functions and orthogonal systems on the unit circle

Vladimir K. Dubovoy, Bernd Fritzsche, Bernd Kirstein, Andreas Lasarow

Journal:

Complex Analysis and Operator Theory

Year:

2011

Language:

english

File:

PDF, 375 KB

english, 2011

5

On Ranges and Moore–Penrose Inverses Related to Matrix Carathéodory and Schur Functions

Abdon Eddy Choque Rivero, Andreas Lasarow, Armin Rahn

Journal:

Complex Analysis and Operator Theory

Year:

2011

Language:

english

File:

PDF, 394 KB

english, 2011

6

Solution of a multiple Nevanlinna–Pick problem for Schur functions via orthogonal rational functions

Bultheel, Adhemar, Lasarow, Andreas

Journal:

Analysis (Oldenbourg Wissenschaftsverlag)

Year:

2008

Language:

english

File:

PDF, 387 KB

english, 2008

7

On rank invariance of moment matrices of nonnegative Hermitian-valued Borel measures on the unit circle

Bernd Fritzsche, Bernd Kirstein, Andreas Lasarow

Journal:

Mathematische Nachrichten

Year:

2004

Language:

english

File:

PDF, 373 KB

english, 2004

8

Orthogonal rational matrix-valued functions on the unit circle

Bernd Fritzsche, Bernd Kirstein, Andreas Lasarow

Journal:

Mathematische Nachrichten

Year:

2005

Language:

english

File:

PDF, 391 KB

english, 2005

9

Orthogonal rational matrix-valued functions on the unit circle: Recurrence relations and a Favard-type theorem

Bernd Fritzsche, Bernd Kirstein, Andreas Lasarow

Journal:

Mathematische Nachrichten

Year:

2006

Language:

english

File:

PDF, 384 KB

english, 2006

10

Solution of a multiple Nevanlinna–Pick problem for Carathéodory functions via orthogonal rational functions in the matrix case

Andreas Lasarow

Journal:

Mathematische Nachrichten

Year:

2008

Language:

english

File:

PDF, 450 KB

english, 2008

11

The matricial Schur problem in both nondegenerate and degenerate cases

Bernd Fritzsche, Bernd Kirstein, Andreas Lasarow

Journal:

Mathematische Nachrichten

Year:

2009

Language:

english

File:

PDF, 375 KB

english, 2009

12

On a class of extremal solutions of a moment problem for rational matrix-valued functions in the nondegenerate case I

Bernd Fritzsche, Bernd Kirstein, Andreas Lasarow

Journal:

Mathematische Nachrichten

Year:

2010

Language:

english

File:

PDF, 284 KB

english, 2010

13

On Hilbert modules of rational matrix-valued functions and related inverse problems

Bernd Fritzsche, Bernd Kirstein, Andreas Lasarow

Journal:

Journal of Computational and Applied Mathematics

Year:

2005

Language:

english

File:

PDF, 427 KB

english, 2005

14

Schur–Nevanlinna–Potapov sequences of rational matrix functions

Adhemar Bultheel, Andreas Lasarow

Journal:

Journal of Computational and Applied Mathematics

Year:

2010

Language:

english

File:

PDF, 388 KB

english, 2010

15

More on a class of extremal solutions of a moment problem for rational matrix-valued functions in the nondegenerate case

Andreas Lasarow

Journal:

Journal of Approximation Theory

Year:

2011

Language:

english

File:

PDF, 344 KB

english, 2011

16

On rank invariance of generalized Schwarz–Pick–Potapov block matrices of matrix-valued Carathéodory functions

Andreas Lasarow

Journal:

Linear Algebra and its Applications

Year:

2006

Language:

english

File:

PDF, 261 KB

english, 2006

17

On a moment problem for rational matrix-valued functions

Bernd Fritzsche, Bernd Kirstein, Andreas Lasarow

Journal:

Linear Algebra and its Applications

Year:

2003

Language:

english

File:

PDF, 276 KB

english, 2003

18

On a class of extremal solutions of a moment problem for rational matrix-valued functions in the nondegenerate case II

Bernd Fritzsche, Bernd Kirstein, Andreas Lasarow

Journal:

Journal of Computational and Applied Mathematics

Year:

2010

Language:

english

File:

PDF, 549 KB

english, 2010

19

The Eneström–Kakeya theorem encounters the theory of orthogonal polynomials on the unit circle

Choque Rivero, Abdon Eddy, Lasarow, Andreas

Journal:

Linear Algebra and its Applications

Year:

2013

Language:

english

File:

PDF, 800 KB

english, 2013

20

SCHUR–NEVANLINNA SEQUENCES OF RATIONAL FUNCTIONS

Bultheel, Adhemar, Lasarow, Andreas

Journal:

Proceedings of the Edinburgh Mathematical Society

Year:

2007

Language:

english

File:

PDF, 264 KB

english, 2007

21

On Schwarz-Pick-Potapov Block Matrices of Matrix-Valued Functions which Belong to the Extended Potapov Class

Fritzsche, Bernd, Kirstein, Bernd, Lasarow, Andreas

Journal:

Analysis (Oldenbourg Wissenschaftsverlag)

Year:

2002

Language:

english

File:

PDF, 609 KB

english, 2002

22

ON GENERALIZED SCHWARZ-PICK-POTAPOV BLOCK MATRICES OF MATRICIAL SCHUR FUNCTIONS AND OF FUNCTIONS WHICH BELONG TO THE POTAPOV CLASS

Lasarow, Andreas

Journal:

Analysis (Oldenbourg Wissenschaftsverlag)

Year:

2003

Language:

english

File:

PDF, 794 KB

english, 2003

23

On the existence of para-orthogonal rational functions on the unit circle

Bultheel, Adhemar, Lasarow, Andreas

Journal:

Analysis (Oldenbourg Wissenschaftsverlag)

Year:

2010

Language:

english

File:

PDF, 182 KB

english, 2010

24

On some special polynomials appearing in orthogonal systems on the unit circle

Lasarow, Andreas

Journal:

Analysis (Oldenbourg Wissenschaftsverlag)

Year:

2014

Language:

english

File:

PDF, 581 KB

english, 2014

25

On a class of extremal solutions of the nondegenerate matricial Carathéodory problem

Fritzsche, Bernd, Kirstein, Bernd, Lasarow, Andreas

Journal:

Analysis (Oldenbourg Wissenschaftsverlag)

Year:

2007

Language:

english

File:

PDF, 606 KB

english, 2007

26

Dual pairs of orthogonal systems of rational matrix-valued functions on the unit circle

Lasarow, Andreas

Journal:

Analysis (Oldenbourg Wissenschaftsverlag)

Year:

2006

Language:

english

File:

PDF, 402 KB

english, 2006

27

Dual Szegö pairs of sequences of rational matrix-valued functions

Lasarow, Andreas

Journal:

International Journal of Mathematics and Mathematical Sciences

Year:

2006

Language:

english

File:

PDF, 2.13 MB

english, 2006

28

On maximal weight solutions in a truncated trigonometric matrix moment problem

Lasarow, Andreas

Journal:

Functiones et Approximatio Commentarii Mathematici

Year:

2010

Language:

english

File:

PDF, 451 KB

english, 2010

29

On maximal weight solutions in a truncated trigonometric matrix moment problem

Lasarow, Andreas

Journal:

Functiones et Approximatio Commentarii Mathematici

Year:

2010

File:

PDF, 451 KB

2010

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