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ORCIDKarlheinz Gröchenig
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- affiliation: University of Vienna, Austria
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2020 – today
- 2024
[i12]Martin Ehler, Karlheinz Gröchenig, Andreas Klotz
:
Quantitative estimates: How well does the discrete Fourier transform approximate the Fourier transform on R. CoRR abs/2403.03810 (2024)- 2023
- [i11]Martin Ehler, Karlheinz Gröchenig:
t-design curves and mobile sampling on the sphere. CoRR abs/2306.13152 (2023) - [i10]Karlheinz Gröchenig, Irina Shafkulovska:
Sampling theorems with derivatives in shift-invariant spaces generated by periodic exponential B-splines. CoRR abs/2311.08352 (2023) - 2022
- [i9]Martin Ehler, Karlheinz Gröchenig:
Gauss Quadrature for Freud Weights, Modulation Spaces, and Marcinkiewicz-Zygmund Inequalities. CoRR abs/2208.01122 (2022) - 2021
- [i8]Karlheinz Gröchenig, Andreas Klotz:
Necessary Density Conditions for Sampling and Interpolation in Spectral Subspaces of Elliptic Differential Operators. CoRR abs/2108.11152 (2021) - 2020
- [j24]Karlheinz Gröchenig:
Sampling, Marcinkiewicz-Zygmund inequalities, approximation, and quadrature rules. J. Approx. Theory 257: 105455 (2020)
2010 – 2019
- 2019
- [i7]Karlheinz Gröchenig:
Sampling, Marcinkiewicz-Zygmund Inequalities, Approximation, and Quadrature Rules. CoRR abs/1909.07752 (2019) - 2017
- [j23]Hartmut Führ, Karlheinz Gröchenig, Antti Haimi, Andreas Klotz, José Luis Romero:
Density of sampling and interpolation in reproducing kernel Hilbert spaces. J. Lond. Math. Soc. 96(3): 663-686 (2017) - 2016
- [j22]Karlheinz Gröchenig, Antti Haimi, José Luis Romero:
Completeness of Gabor systems. J. Approx. Theory 207: 283-300 (2016) - [j21]Tobias Kloos, Joachim Stöckler, Karlheinz Gröchenig:
Implementation of Discretized Gabor Frames and Their Duals. IEEE Trans. Inf. Theory 62(5): 2759-2771 (2016) - [i6]Karlheinz Gröchenig, José Luis Romero, Joachim Stöckler:
Sampling Theorems for Shift-invariant Spaces, Gabor Frames, and Totally Positive Functions. CoRR abs/1612.00651 (2016) - 2015
- [i5]Tobias Kloos, Joachim Stöckler, Karlheinz Gröchenig:
Implementation of discretized Gabor frames and their duals. CoRR abs/1506.06918 (2015) - 2014
- [j20]Karlheinz Gröchenig, Elmar Pauwels:
Uniqueness and reconstruction theorems for pseudodifferential operators with a bandlimited Kohn-Nirenberg symbol. Adv. Comput. Math. 40(1): 49-63 (2014) - [j19]Maarten V. de Hoop, Karlheinz Gröchenig, José Luis Romero:
Exact and Approximate Expansions with Pure Gaussian Wave Packets. SIAM J. Math. Anal. 46(3): 2229-2253 (2014) - [j18]Severin Bannert, Karlheinz Gröchenig, Joachim Stöckler:
Discretized Gabor Frames of Totally Positive Functions. IEEE Trans. Inf. Theory 60(1): 159-169 (2014) - 2013
- [j17]Karlheinz Gröchenig, Andreas Klotz:
Norm-controlled inversion in smooth Banach algebras, I. J. Lond. Math. Soc. 88(1): 49-64 (2013) - [i4]Severin Bannert, Karlheinz Gröchenig, Joachim Stöckler:
Discretized Gabor Frames of Totally Positive Functions. CoRR abs/1308.2808 (2013) - [i3]Karlheinz Gröchenig, José Luis Romero, Jayakrishnan Unnikrishnan, Martin Vetterli:
On Minimal Trajectories for Mobile Sampling of Bandlimited Fields. CoRR abs/1312.7794 (2013) - 2012
- [j16]Günter Reise, Gerald Matz, Karlheinz Gröchenig:
Distributed Field Reconstruction in Wireless Sensor Networks Based on Hybrid Shift-Invariant Spaces. IEEE Trans. Signal Process. 60(10): 5426-5439 (2012) - [i2]Richard F. Bass, Karlheinz Gröchenig:
Relevant Sampling of Band-limited Functions. CoRR abs/1203.0146 (2012) - 2011
- [j15]Georg Tauböck, Mario Hampejs, Pavol Svac, Gerald Matz, Franz Hlawatsch, Karlheinz Gröchenig:
Low-Complexity ICI/ISI Equalization in Doubly Dispersive Multicarrier Systems Using a Decision-Feedback LSQR Algorithm. IEEE Trans. Signal Process. 59(5): 2432-2436 (2011) - 2010
- [j14]Stephan Dahlke, Massimo Fornasier, Karlheinz Gröchenig:
Optimal adaptive computations in the Jaffard algebra and localized frames. J. Approx. Theory 162(1): 153-185 (2010) - [j13]Tomasz Hrycak, Karlheinz Gröchenig:
Pseudospectral Fourier reconstruction with the modified Inverse Polynomial Reconstruction Method. J. Comput. Phys. 229(3): 933-946 (2010)
2000 – 2009
- 2008
- [i1]Karlheinz Gröchenig, Tomasz Hrycak:
Pseudospectral Fourier reconstruction with IPRM. Structured Decompositions and Efficient Algorithms 2008 - 2007
- [j12]Gerald Matz, Dieter Schafhuber, Karlheinz Gröchenig, Manfred Martin Hartmann, Franz Hlawatsch:
Analysis, Optimization, and Implementation of Low-Interference Wireless Multicarrier Systems. IEEE Trans. Wirel. Commun. 6(5): 1921-1931 (2007) - 2005
- [j11]Richard F. Bass, Karlheinz Gröchenig:
Random Sampling of Multivariate Trigonometric Polynomials. SIAM J. Math. Anal. 36(3): 773-795 (2005) - 2003
- [j10]Karlheinz Gröchenig:
Localized Frames Are Finite Unions of Riesz Sequences. Adv. Comput. Math. 18(2-4): 149-157 (2003) - [j9]Karlheinz Gröchenig, Harald Schwab:
Fast Local Reconstruction Methods for Nonuniform Sampling in Shift-Invariant Spaces. SIAM J. Matrix Anal. Appl. 24(4): 899-913 (2003) - [j8]Karlheinz Gröchenig, Augustus J. E. M. Janssen, Norbert Kaiblinger, Götz E. Pfander:
Note on B-splines, wavelet scaling functions, and Gabor frames. IEEE Trans. Inf. Theory 49(12): 3318-3320 (2003) - 2002
- [j7]Kai Bittner, Karlheinz Gröchenig:
Direct and Inverse Approximation Theorems for Local Trigonometric Bases. J. Approx. Theory 117(1): 74-102 (2002) - 2001
- [b1]Karlheinz Gröchenig:
Foundations of Time-Frequency Analysis. Applied and numerical harmonic analysis, Birkhäuser 2001, ISBN 978-0-8176-4022-4, pp. I-XV, 1-359 - [j6]Akram Aldroubi, Karlheinz Gröchenig:
Nonuniform Sampling and Reconstruction in Shift-Invariant Spaces. SIAM Rev. 43(4): 585-620 (2001)
1990 – 1999
- 1999
- [j5]Karlheinz Gröchenig:
Irregular sampling, Toeplitz matrices, and the approximation of entire functions of exponential type. Math. Comput. 68(226): 749-765 (1999) - 1997
- [j4]Helmut Bölcskei, Karlheinz Gröchenig, Franz Hlawatsch, Hans G. Feichtinger:
Oversampled Wilson expansions. IEEE Signal Process. Lett. 4(4): 106-108 (1997) - [j3]Helmut Bölcskei, Karlheinz Gröchenig, Franz Hlawatsch, Hans G. Feichtinger:
Corrections to "Oversampled Wilson expansions". IEEE Signal Process. Lett. 4(10): 298 (1997) - 1993
- [j2]Karlheinz Gröchenig:
Acceleration of the frame algorithm. IEEE Trans. Signal Process. 41(12): 3331-3340 (1993) - 1992
- [j1]Karlheinz Gröchenig, Wolodymyr R. Madych:
Multiresolution analysis, Haar bases, and self-similar tilings of Rn. IEEE Trans. Inf. Theory 38(2): 556-568 (1992) - 1990
- [c1]Hans Georg Feichtinger, Karlheinz Gröchenig, Martin Herrmann:
Iterative Methods in Irregular Sampling Theory, Numerical Results. ASST 1990: 160-166
Coauthor Index
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