Displaying similar documents to “Pointwise multipliers on weighted BMO spaces”

BMO and commutators of martingale transforms

Svante Janson (1981)

Annales de l'institut Fourier

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The commutator of multiplication by a function and a martingale transform of a certain type is a bounded operator on L p , 1 < p < , if and only if the function belongs to BMO. This is a martingale version of a result by Coifman, Rochberg and Weiss.

BMO-scale of distribution on n

René Erlín Castillo, Julio C. Ramos Fernández (2008)

Czechoslovak Mathematical Journal

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Let S ' be the class of tempered distributions. For f S ' we denote by J - α f the Bessel potential of f of order α . We prove that if J - α f B M O , then for any λ ( 0 , 1 ) , J - α ( f ) λ B M O , where ( f ) λ = λ - n f ( φ ( λ - 1 · ) ) , φ S . Also, we give necessary and sufficient conditions in order that the Bessel potential of a tempered distribution of order α > 0 belongs to the V M O space.

An atomic decomposition of the predual of BMO(ρ).

Beatriz E. Viviani (1987)

Revista Matemática Iberoamericana

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We study the Orlicz type spaces H, defined as a generalization of the Hardy spaces H for p ≤ 1. We obtain an atomic decomposition of H, which is used to provide another proof of the known fact that BMO(ρ) is the dual space of H (see S. Janson, 1980, [J]).