Stefan Kunis

Publication Activity (10 Years)

Years Active: 2006-2024
Publications (10 Years): 12

Top Topics

Subspace Methods

Condition Number

Sparse Matrices

Super Resolution

Top Venues

Numer. Algorithms

Discret. Comput. Geom.

SIAM J. Numer. Anal.

Publications

Ivan Kovalyov, Stefan Kunis
Two-dimensional moment problem and Schur algorithm. CoRR (2024)
Tarek Emmrich, Martina Juhnke-Kubitzke, Stefan Kunis
Two subspace methods for frequency sparse graph signals. CoRR (2023)
Mathias Hockmann, Stefan Kunis
Short Communication: Weak Sparse Superresolution is Well-Conditioned. SIAM J. Imaging Sci. 16 (1) (2023)
Paul Catala, Mathias Hockmann, Stefan Kunis, Markus Wageringel
Approximation and Interpolation of Singular Measures by Trigonometric Polynomials. CoRR (2022)
Stefan Kunis, Dominik Nagel
Correction to: On the condition number of Vandermonde matrices with pairs of nearly-colliding nodes. Numer. Algorithms 87 (1) (2021)
Mathias Hockmann, Stefan Kunis
Sparse super resolution is Lipschitz continuous. CoRR (2021)
Stefan Kunis, Dominik Nagel
On the condition number of Vandermonde matrices with pairs of nearly-colliding nodes. Numer. Algorithms 87 (1) (2021)
Stefan Kunis, Dominik Nagel, Anna Strotmann
Multivariate Vandermonde matrices with separated nodes on the unit circle are stable. CoRR (2021)
Stefan Kunis, Tim Römer, Ulrich von der Ohe
Learning algebraic decompositions using Prony structures. Adv. Appl. Math. 118 (2020)
Stefan Kunis, Dominik Nagel
On the smallest singular value of multivariate Vandermonde matrices with clustered nodes. CoRR (2019)
Stefan Kunis, Tim Römer, Ulrich von der Ohe
Learning algebraic decompositions using Prony structures. CoRR (2019)
Stefan Kunis, Benjamin Reichenwallner, Matthias Reitzner
Random Approximation of Convex Bodies: Monotonicity of the Volumes of Random Tetrahedra. Discret. Comput. Geom. 59 (1) (2018)
Yiqiu Dong, Torsten Görner, Stefan Kunis
An algorithm for total variation regularized photoacoustic imaging. Adv. Comput. Math. 41 (2) (2015)
Frank Filbir, Stefan Kunis, Ruben Seyfried
Effective Discretization of Direct Reconstruction Schemes For Photoacoustic Imaging In Spherical Geometries. SIAM J. Numer. Anal. 52 (6) (2014)
Stefan Kunis, Ines Melzer
A Stable and Accurate Butterfly Sparse Fourier Transform. SIAM J. Numer. Anal. 50 (3) (2012)
Lutz Kämmerer, Stefan Kunis, Daniel Potts
Interpolation lattices for hyperbolic cross trigonometric polynomials. J. Complex. 28 (1) (2012)
Lutz Kämmerer, Stefan Kunis
On the stability of the hyperbolic cross discrete Fourier transform. Numerische Mathematik 117 (3) (2011)
Michael Döhler, Stefan Kunis, Daniel Potts
Nonequispaced Hyperbolic Cross Fast Fourier Transform. SIAM J. Numer. Anal. 47 (6) (2010)
Stefan Kunis
A note on stability results for scattered data interpolation on Euclidean spheres. Adv. Comput. Math. 30 (4) (2009)
Jens Keiner, Stefan Kunis, Daniel Potts
Using NFFT 3 - A Software Library for Various Nonequispaced Fast Fourier Transforms. ACM Trans. Math. Softw. 36 (4) (2009)
Albrecht Böttcher, Stefan Kunis, Daniel Potts
Probabilistic spherical Marcinkiewicz-Zygmund inequalities. J. Approx. Theory 157 (2) (2009)
Stefan Kunis, Holger Rauhut
Random Sampling of Sparse Trigonometric Polynomials, II. Orthogonal Matching Pursuit versus Basis Pursuit. Found. Comput. Math. 8 (6) (2008)
Stefan Kunis, Daniel Potts
Stability Results for Scattered Data Interpolation by Trigonometric Polynomials. SIAM J. Sci. Comput. 29 (4) (2007)
Tobias Knopp, Stefan Kunis, Daniel Potts
A Note on the Iterative MRI Reconstruction from Nonuniform k-Space Data. Int. J. Biomed. Imaging 2007 (2007)
Markus Fenn, Stefan Kunis, Daniel Potts
Fast evaluation of trigonometric polynomials from hyperbolic crosses. Numer. Algorithms 41 (4) (2006)
Stefan Kunis, Daniel Potts, Gabriele Steidl
Fast Gauss transforms with complex parameters using NFFTs. J. Num. Math. 14 (4) (2006)
Jens Keiner, Stefan Kunis, Daniel Potts
Fast Summation of Radial Functions on the Sphere. Computing 78 (1) (2006)