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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…
math.NA2022
-Sampling recovery for non-compact subclasses of
Glenn Byrenheid, Serhii A. Stasyuk, Tino Ullrich
In this paper we study the sampling recovery problem for certain relevant multivariate function classes which are not compactly embedded into . Recent tools relating the…