2 papers
math.NA2024
Some lower bounds for optimal sampling recovery of functions with mixed smoothness
A. Gasnikov, V. Temlyakov
Recently, there was a substantial progress in the problem of sampling recovery on function classes with mixed smoothness. Mostly, it has been done by proving new and sometimes opti…
math.FA2024
On greedy approximation in complex Banach spaces
A. Gasnikov, V. Temlyakov
The general theory of greedy approximation with respect to arbitrary dictionaries is well developed in the case of real Banach spaces. Recently, some of results proved for the Weak…