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Article Dans Une Revue Journal of Functional Analysis Année : 2017

The reconstruction theorem in Besov spaces

Résumé

The theory of regularity structures sets up an abstract framework of modelled distributions generalising the usual H\"older functions and allowing one to give a meaning to several ill-posed stochastic PDEs. A key result in that theory is the so-called reconstruction theorem: it defines a continuous linear operator that maps spaces of "modelled distributions" into the usual space of distributions. In the present paper, we extend the scope of this theorem to analogues to the whole class of Besov spaces $\mathcal{B}^\gamma_{p,q}$ with non-integer regularity indices. We then show that these spaces behave very much like their classical counterparts by obtaining the corresponding embedding theorems and Schauder-type estimates.

Dates et versions

hal-01428006 , version 1 (06-01-2017)

Identifiants

Citer

Martin Hairer, Cyril Labbé. The reconstruction theorem in Besov spaces. Journal of Functional Analysis, 2017, 273 (8), pp.2578 - 2618. ⟨10.1016/j.jfa.2017.07.002⟩. ⟨hal-01428006⟩
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