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Exact discretization, tight frames and recovery via D-optimal designs
Felix Bartel, Lutz Kämmerer, Kateryna Pozharska +2
-optimal designs originate in statistics literature as an approach for optimal experimental designs. In numerical analysis points and weights resulting from maximal determinants…
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…