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Pré-Publication, Document De Travail Année : 2016

ATOMIC DECOMPOSITION AND WEAK FACTORIZATION IN GENERALIZED HARDY SPACES OF CLOSED FORMS

Résumé

We give an atomic decomposition of closed forms on R n , the coefficients of which belong to some Hardy space of Musielak-Orlicz type. These spaces are natural generalizations of weighted Hardy-Orlicz spaces, when the Orlicz function depends on the space variable. One of them, called H log , appears naturally when considering products of functions in the Hardy space H 1 and in BM O. As a main consequence of the atomic decomposition, we obtain a weak factorization of closed forms whose coefficients are in H log. Namely, a closed form in H log is the infinite sum of the wedge product between an exact form in the Hardy space H 1 and an exact form in BM O. The converse result, which generalizes the classical div-curl lemma, is a consequence of [4]. As a corollary, we prove that the real-valued H log space can be weakly factorized.
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Dates et versions

hal-01256128 , version 1 (14-01-2016)

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Aline Bonami, Justin Feuto, Sandrine Grellier, Luong Dang Ky. ATOMIC DECOMPOSITION AND WEAK FACTORIZATION IN GENERALIZED HARDY SPACES OF CLOSED FORMS. 2016. ⟨hal-01256128⟩
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