2 papers
math.FA2025
Best -term trigonometric approximation in weighted Wiener spaces and applications
Moritz Moeller, Serhii Stasyuk, Tino Ullrich
In this paper we study best \(m\)-term trigonometric approximation in weighted Wiener spaces and its consequences for Besov and Sobolev spaces with bounded mixed derivative/differe…
math.NA2024
High-dimensional sparse trigonometric approximation in the uniform norm and consequences for sampling recovery
Moritz Moeller, Serhii Stasyuk, Tino Ullrich
Recent findings by Jahn, T. Ullrich, Voigtlaender [14] relate non-linear sampling numbers for the square norm to quantities involving trigonometric best term approximation erro…