On the equivalence between weak BMO and the space of derivatives of the Zygmund class

In this paper, we will discuss the space of functions of weak bounded mean oscillation. In particular, we will show that this space is the dual space of the special atom space, whose dual space was already known to be the space of derivative of functions (in the sense of distribution) belonging to t...

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Autor principal: Kwessi Eddy
Formato: article
Lenguaje:EN
Publicado: De Gruyter 2021
Materias:
bmo
Acceso en línea:https://doaj.org/article/d028385f579b40b2ace97f82da5054a4
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Sumario:In this paper, we will discuss the space of functions of weak bounded mean oscillation. In particular, we will show that this space is the dual space of the special atom space, whose dual space was already known to be the space of derivative of functions (in the sense of distribution) belonging to the Zygmund class of functions. We show, in particular, that this proves that the Hardy space H1{H}^{1} strictly contains the special atom space.