Lp-estimates for Riesz transforms on forms in the Poincaré space
Bruna, Joaquim (Universitat Autònoma de Barcelona. Departament de Matemàtiques)
Fecha: |
2005 |
Resumen: |
Using hyperbolic form convolution with doubly isometry-invariant kernels, the explicit expression of the inverse of the de Rham laplacian ∆ acting on m-forms in the Poincaré space Hn is found. Also, by means of some estimates for hyperbolic singular integrals, Lp-estimates for the Riesz transforms ∆i∆Ñ−1, i ≤ 2, in a range of p depending on m, n are obtained. Finally, using these, it is shown that ∆ defines topological isomorphisms in a scale of Sobolev spaces Hs mp (Hn)
in case m≠ (n ± 1) /2, n/2. |
Derechos: |
Tots els drets reservats. |
Lengua: |
Anglès |
Documento: |
Article ; Versió publicada |
Materia: |
Hodge-de Rham laplacian ;
Sobolev spaces ;
Riesz transforms ;
Hyperbolic form convolution |
Publicado en: |
Indiana University mathematics journal, Vol. 54, No. 1 (2005) , p. 153-187, ISSN 0022-2518 |
DOI: 10.1512/iumj.2005.54.2501
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