Lutz Klotz

Leipzig University — Germany

Computer Science · Physical Sciences

5h-index111citations46works0.02yr avg
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Research Topics

Matrix Theory and Algorithms(12), Mathematical Analysis and Transform Methods(9), Holomorphic and Operator Theory(8), Advanced Banach Space Theory(7), advanced mathematical theories(7)

Publications45 total

Stability of trigonometric approximation in $$L^p$$ and applications to prediction theory
Annals of Functional Analysis·2022Open Access
Stability of trigonometric approximation in $L^p$ and applications to prediction theory
arXiv (Cornell University)·2021Open Access
Density in L2(Γ,μ) of Certain Families of Functions on LCA Groups Related to the Multi-Channel Sampling Problem
Numerical Functional Analysis and Optimization·2020
Density in L 2 (µ) of certain families of functions on LCA groups related to the Multi-Channel sampling problem
HAL (Le Centre pour la Communication Scientifique Directe)·2018Open Access
Density of spaces of trigonometric polynomials with frequencies from a subgroup in Lα-spaces
Comptes Rendus Mathématique·2018· 4 citedOpen Access
An Addendum to a Paper by Li and Zhang
Operator theory·2018
Duality results for a general trigonometric approximation problem
arXiv (Cornell University)·2017Open Access
Density of spaces of trigonometric polynomials with frequencies from a subgroup in $L^\alpha$-spaces
arXiv (Cornell University)·2017Open Access
H-Regular Borel measures on locally compact abelian groups
arXiv (Cornell University)·2017Open Access
Density of spaces of trigonometric polynomials with frequencies from a subgroup in $L^α$-spaces
arXiv (Cornell University)·2017Open Access
A necessary condition for certain functions to preserve positive semi-definiteness on partitioned matrices
arXiv (Cornell University)·2016Open Access
Density of Polynomials in the L^2 Space on the Real and the Imaginary Axes and in a Sobolev Space
Bulgarian Portal for Open Science·2016Open Access
Some functions preserving positive semidefiniteness of 2 × 2 block matrices
Linear Algebra and its Applications·2016
On the Notion of Minimality of a $$q$$ q -Variate Stationary Sequence
Complex Analysis and Operator Theory·2015· 2 cited
Lieb functions and m-positivity of norms
Linear Algebra and its Applications·2013· 3 cited
Schur’s theorem for a block Hadamard product
Linear Algebra and its Applications·2012· 25 cited
Weyl functions of bounded quasi-selfadjoint operators and block operator Jacobi matrices
Acta Scientiarum Mathematicarum·2010· 9 cited
Doubly Invariant Submodules in L α -Spaces
Complex Analysis and Operator Theory·2010
Convergence in measure with respect to a matrix-valued measure and some matrix completion problems
Linear Algebra and its Applications·2010· 1 cited
Density of Polynomials in the L^2 Space on the Real and the Imaginary Axes and in a Sobolev Space
Bulgarian Digital Mathematics Library (BulDML) at IMI-BAS (Institute of Mathematics and Informatics)·2009· 1 citedOpen Access
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Frequent Co-authors

Juan Miguel Medina(5), Conrad Mädler(5), M. Riedel(4), Michael Frank(3), Michael Günther(2), Jürgen Friedrich(2), Franz Schmidt(2), Andreas Lasarow(2), Sergey M‎. ‎Zagorodnyuk(2), Yury Arlinskii̇̆(1), Heinz Langer(1), Klaus‐Detlef Kürsten(1), Peter Kunkel(1), David L. Rudolph(1), Juan S. Medina-Martínez(1), Michael J. Frank(1), Raymond Cheng(1), Yuan Tian(1), Bernd Fritzsche(1), Bernd Kirstein(1)