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Characterizations of Besov spaces in terms of K-functionals

Presented by: 
Oscar Dominguez Universidad Complutense de Madrid
Date: 
Tuesday 19th February 2019 - 14:20 to 14:55
Venue: 
INI Seminar Room 1
Abstract: 
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).
University of Cambridge Research Councils UK
    Clay Mathematics Institute London Mathematical Society NM Rothschild and Sons