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Multipliers between Sobolev spaces and fractional differentiation |
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| Authors: | PG Lemarié-Rieusset S Gala |
| Institution: | Département de Mathématiques, Université d'Evry, France |
| Abstract: | We characterize the pointwise multipliers which maps a Sobolev space  to a Sobolev space  in the case |s|<r<d/2. |
| Keywords: | Sobolev spaces Multipliers Paraproducts Singular integrals Fractional differentiation |
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