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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…
math.FA2024
Sampling discretization of the uniform norm and applications
E. D. Kosov, V. N. Temlyakov
Discretization of the uniform norm of functions from a given finite dimensional subspace of continuous functions is studied. Previous known results show that for any -dimensiona…