Andreas Lasarow

Leipzig University of Applied Sciences — Germany

Mathematics · Physical Sciences

10h-index285citations46works0.02yr avg
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Research Topics

Mathematical functions and polynomials(29), Matrix Theory and Algorithms(27), Spectral Theory in Mathematical Physics(14), Holomorphic and Operator Theory(13), Analytic and geometric function theory(5)

Publications46 total

On Orthogonal Polynomials Related to Arithmetic and Harmonic Sequences
Complex Analysis and Operator Theory·2024Open Access
Orthogonal Rational Functions on the Unit Circle with Prescribed Poles not on the Unit Circle
Symmetry Integrability and Geometry Methods and Applications·2017· 1 citedOpen Access
Orthogonal rational functions on the unit circle ith prescribed poles not on the unit circle
2016
On some special polynomials appearing in orthogonal systems on the unit circle
Analysis·2014· 1 cited
The Eneström–Kakeya theorem encounters the theory of orthogonal polynomials on the unit circle
Linear Algebra and its Applications·2013· 1 cited
On Maximal Weight Solutions of a Moment Problem for Rational Matrix-valued Functions
2012· 3 cited
On Reciprocal Sequences of Matricial Carathéodory Sequences and Associated Matrix Functions
2012· 6 cited
On Canonical Solutions of a Moment Problem for Rational Matrix-valued Functions
2012· 3 cited
Para-orthogonal rational matrix-valued functions on the unit circle
Operators and Matrices·2012· 4 citedOpen Access
On maximal weight solutions in a truncated trigonometric matrix moment problem
Functiones et Approximatio Commentarii Mathematici·2010· 4 citedOpen Access
On a class of extremal solutions of a moment problem for rational matrix‐valued functions in the nondegenerate case I
Mathematische Nachrichten·2010· 5 citedOpen Access
On Ranges and Moore–Penrose Inverses Related to Matrix Carathéodory and Schur Functions
Complex Analysis and Operator Theory·2010· 3 cited
On a class of extremal solutions of a moment problem for rational matrix-valued functions in the nondegenerate case II
Journal of Computational and Applied Mathematics·2010· 4 cited
More on a class of extremal solutions of a moment problem for rational matrix-valued functions in the nondegenerate case
Journal of Approximation Theory·2010· 3 citedOpen Access
An introduction to the theory of orthogonal rational functions on the unit circle
Lirias (KU Leuven)·2010
Shift operators contained in contractions, pseudocontinuable Schur functions and orthogonal systems on the unit circle
Complex Analysis and Operator Theory·2010· 1 cited
Some basic facts on orthogonal rational matrix functions on the unit circle
Lirias (KU Leuven)·2010
On the Weyl Matrix Balls Corresponding to the Matricial Carathéodory Problem in Both Nondegenerate and Degenerate Cases
Birkhäuser Basel eBooks·2010· 5 cited
On the existence of para-orthogonal rational functions on the unit circle
Analysis·2010· 4 cited
Schur–Nevanlinna–Potapov sequences of rational matrix functions
Journal of Computational and Applied Mathematics·2009
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Frequent Co-authors

Bernd Fritzsche(21), Bernd Kirstein(20), Adhemar Bultheel(7), Armin Rahn(2), Abdon E. Choque‐Rivero(2), Lutz Klotz(2), Heinz Langer(1), Bernd Kirstein(1), Vladimir K. Dubovoj(1), Vladimir K. Dubovoy(1), Ruymán Cruz‐Barroso(1), Ruymán Cruz Barroso(1)