Karlheinz Gröchenig

According to our database, Karlheinz Gröchenig authored at least 35 papers between 1990 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2024

Quantitative estimates: How well does the discrete Fourier transform approximate the Fourier transform on R.

Martin Ehler, Karlheinz Gröchenig, Andreas Klotz

CoRR, 2024

2023

Sampling theorems with derivatives in shift-invariant spaces generated by periodic exponential B-splines.

Karlheinz Gröchenig, Irina Shafkulovska

CoRR, 2023

t-design curves and mobile sampling on the sphere.

Martin Ehler, Karlheinz Gröchenig

CoRR, 2023

2022

Gauss Quadrature for Freud Weights, Modulation Spaces, and Marcinkiewicz-Zygmund Inequalities.

Martin Ehler, Karlheinz Gröchenig

CoRR, 2022

2021

Necessary Density Conditions for Sampling and Interpolation in Spectral Subspaces of Elliptic Differential Operators.

Karlheinz Gröchenig, Andreas Klotz

CoRR, 2021

2020

Sampling, Marcinkiewicz-Zygmund inequalities, approximation, and quadrature rules.

Karlheinz Gröchenig

J. Approx. Theory, 2020

2017

Density of sampling and interpolation in reproducing kernel Hilbert spaces.

Hartmut Führ, Karlheinz Gröchenig, Antti Haimi, Andreas Klotz, José Luis Romero

J. Lond. Math. Soc., 2017

2016

Implementation of Discretized Gabor Frames and Their Duals.

Tobias Kloos, Joachim Stöckler, Karlheinz Gröchenig

IEEE Trans. Inf. Theory, 2016

Completeness of Gabor systems.

Karlheinz Gröchenig, Antti Haimi, José Luis Romero

J. Approx. Theory, 2016

Sampling Theorems for Shift-invariant Spaces, Gabor Frames, and Totally Positive Functions.

Karlheinz Gröchenig, José Luis Romero, Joachim Stöckler

CoRR, 2016

2014

Discretized Gabor Frames of Totally Positive Functions.

Severin Bannert, Karlheinz Gröchenig, Joachim Stöckler

IEEE Trans. Inf. Theory, 2014

Exact and Approximate Expansions with Pure Gaussian Wave Packets.

Maarten V. de Hoop, Karlheinz Gröchenig, José Luis Romero

SIAM J. Math. Anal., 2014

Uniqueness and reconstruction theorems for pseudodifferential operators with a bandlimited Kohn-Nirenberg symbol.

Karlheinz Gröchenig, Elmar Pauwels

Adv. Comput. Math., 2014

2013

Norm-controlled inversion in smooth Banach algebras, I.

Karlheinz Gröchenig, Andreas Klotz

J. Lond. Math. Soc., 2013

On Minimal Trajectories for Mobile Sampling of Bandlimited Fields.

Karlheinz Gröchenig, José Luis Romero, Jayakrishnan Unnikrishnan, Martin Vetterli

CoRR, 2013

2012

Distributed Field Reconstruction in Wireless Sensor Networks Based on Hybrid Shift-Invariant Spaces.

Günter Reise, Gerald Matz, Karlheinz Gröchenig

IEEE Trans. Signal Process., 2012

Relevant Sampling of Band-limited Functions

Richard F. Bass, Karlheinz Gröchenig

CoRR, 2012

2011

Low-Complexity ICI/ISI Equalization in Doubly Dispersive Multicarrier Systems Using a Decision-Feedback LSQR Algorithm.

Georg Tauböck, Mario Hampejs, Pavol Svac, Gerald Matz, Franz Hlawatsch, Karlheinz Gröchenig

IEEE Trans. Signal Process., 2011

2010

Pseudospectral Fourier reconstruction with the modified Inverse Polynomial Reconstruction Method.

Tomasz Hrycak, Karlheinz Gröchenig

J. Comput. Phys., 2010

Optimal adaptive computations in the Jaffard algebra and localized frames.

Stephan Dahlke, Massimo Fornasier, Karlheinz Gröchenig

J. Approx. Theory, 2010

2008

Pseudospectral Fourier reconstruction with IPRM.

Karlheinz Gröchenig, Tomasz Hrycak

Proceedings of the Structured Decompositions and Efficient Algorithms, 30.11. - 05.12.2008, 2008

2007

Analysis, Optimization, and Implementation of Low-Interference Wireless Multicarrier Systems.

Gerald Matz, Dieter Schafhuber, Karlheinz Gröchenig, Manfred Martin Hartmann, Franz Hlawatsch

IEEE Trans. Wirel. Commun., 2007

2005

Random Sampling of Multivariate Trigonometric Polynomials.

Richard F. Bass, Karlheinz Gröchenig

SIAM J. Math. Anal., 2005

2003

Note on B-splines, wavelet scaling functions, and Gabor frames.

Karlheinz Gröchenig, Augustus J. E. M. Janssen, Norbert Kaiblinger, Götz E. Pfander

IEEE Trans. Inf. Theory, 2003

Fast Local Reconstruction Methods for Nonuniform Sampling in Shift-Invariant Spaces.

Karlheinz Gröchenig, Harald Schwab

SIAM J. Matrix Anal. Appl., 2003

Localized Frames Are Finite Unions of Riesz Sequences.

Karlheinz Gröchenig

Adv. Comput. Math., 2003

2002

Direct and Inverse Approximation Theorems for Local Trigonometric Bases.

Kai Bittner, Karlheinz Gröchenig

J. Approx. Theory, 2002

2001

Nonuniform Sampling and Reconstruction in Shift-Invariant Spaces.

Akram Aldroubi, Karlheinz Gröchenig

SIAM Rev., 2001

Foundations of Time-Frequency Analysis.

Karlheinz Gröchenig

Applied and numerical harmonic analysis, Birkhäuser, ISBN: 978-0-8176-4022-4, 2001

1999

Irregular sampling, Toeplitz matrices, and the approximation of entire functions of exponential type.

Karlheinz Gröchenig

Math. Comput., 1999

1997

Corrections to "Oversampled Wilson expansions".

Helmut Bölcskei, Karlheinz Gröchenig, Franz Hlawatsch, Hans G. Feichtinger

IEEE Signal Process. Lett., 1997

Oversampled Wilson expansions.

Helmut Bölcskei, Karlheinz Gröchenig, Franz Hlawatsch, Hans G. Feichtinger

IEEE Signal Process. Lett., 1997

1993

Acceleration of the frame algorithm.

Karlheinz Gröchenig

IEEE Trans. Signal Process., 1993

1992

Multiresolution analysis, Haar bases, and self-similar tilings of Rⁿ.

Karlheinz Gröchenig, Wolodymyr R. Madych

IEEE Trans. Inf. Theory, 1992

1990

Iterative Methods in Irregular Sampling Theory, Numerical Results.

Hans Georg Feichtinger, Karlheinz Gröchenig, Martin Herrmann

Proceedings of the ASST '90, 1990