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Characterizations of Besov spaces in terms of K-functionals

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ASCW01 - Challenges in optimal recovery and hyperbolic cross approximation

Besov spaces occur naturally in many fields of analysis. In this talk, we discuss various characterizations of Besov spaces in terms of different K-functionals. For instance, we present descriptions via oscillations, Bianchini-type norms and approximation methods. This is a joint work with S. Tikhonov (Barcelona).

This talk is part of the Isaac Newton Institute Seminar Series series.

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