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1.
Faiza Derrab 《Proceedings of the American Mathematical Society》2007,135(6):1803-1815
We consider nonlinear partial differential equations with several Fuchsian variables of type , where is a Fuchsian principal part of weight zero. We prove existence and uniqueness of a global solution to this problem in the space of holomorphic functions with respect to the Fuchsian variable and in Gevrey spaces with respect to the other variable . The method of proof is based on the application of the fixed point theorem in some Banach algebras defined by majorant functions that are suitable to this kind of equation.
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Résumé Le but de cet article est de donner une preuve nouvelle de notre théorème d'existence des solutions statistiques des équations
de Navier-Stokes (voir[6], § 3), qui, en même temps, fournit des propriétés supplemémentaires intéressantes et utiles de ces solutions.
Entrata in Redazione il 2 aprile 1975. 相似文献
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Integrales convexes dans les espaces de Sobolev 总被引:8,自引:0,他引:8
Haim Brezis 《Israel Journal of Mathematics》1972,13(1-2):9-23
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Pierre-Gilles Lemarié-Rieusset 《Comptes Rendus Mathematique》2004,338(6):443-446
We give a new simple proof that mild solutions for the Navier–Stokes equations on are spatial analytic. To cite this article: P.-G. Lemarié-Rieusset, C. R. Acad. Sci. Paris, Ser. I 338 (2004). 相似文献
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Given a closed operatorA acting in a Banach spaceX, we define the regular (respectively the essentialy regular) spectrum σ r (A) (respectively σ e,r (A)) ofA. We prove that σ r (A) and σ e,r (A) are a closed subsets of the classical spectrum σ(A) ofA. Morever ifA is bounded we prove that σ r (A) and σ e,r (A)) satisfies the spectral mapping theorem. 相似文献
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V. A. Senderov 《Integral Equations and Operator Theory》1988,11(4):603-609
Sans résuméEditorial Note: This paper has taken a very long path from the prison in Tchistopol to the Editorial Office. Unfortunately, on the way the list of references went astray, but the paper can be read even without this list of references (and some of them can be guessed at). 相似文献
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Fabrice Baudoin 《Comptes Rendus Mathematique》2004,338(9):719-722
The subriemannian geometry of stochastic differential equations driven by processes generating loops in free Carnot groups are studied. To cite this article: F. Baudoin, C. R. Acad. Sci. Paris, Ser. I 338 (2004). 相似文献
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Résumé On établit des majorations explicites de I'erreur de meilleure approximation polynomiale ainsi que des majorations explicites et nonexplicites de I'erreur d'interpolation de Lagrange, lorsque la fonction considérée appartient à un espace de Sobolev d'ordre non entier défini sur un ouvert borné de
n
.Les résultats obtenus généralisent les résultats connus dans le cas des espaces de Sobolev d'ordre entier.
Estimation of the best polynomial approximation error and the Lagrange interpolation error in fractional-order Ssobolev spaces
Summary Explicit bounds for the best polynomial approximation error, explicit and non-explicit bounds for the Lagrange interpolation error are derived for functions belonging to fractional order Sobolev spaces defined over a bounded open set in n .Thus the classical results of the integer order Sobolev spaces are extended.相似文献
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Mahmud Bajraktarević 《Aequationes Mathematicae》1985,29(1):175-182
Sans résumé
Dedié à János Aczél à l'occasion de son 60ème anniversaire 相似文献
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Pierre-Louis Lions 《Journal of Functional Analysis》1982,49(3):315-334
In this paper, we show several compactness results concerning the subspaces of general Sobolev spaces formed by the functions possessing some symmetry: spherical symmetry, cylindrical symmetry, etc. 相似文献
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Luc Bélair 《Comptes Rendus Mathematique》2005,340(2):99-102
We prove an approximation property for Frobenius difference equations in the Witt vectors, analog to a theorem of Greenberg [Publ. Math. IHES 31 (1966) 59–64]. To cite this article: L. Bélair, C. R. Acad. Sci. Paris, Ser. I 340 (2005). 相似文献
19.
Mimoun El Harchaoui 《Journal d'Analyse Mathématique》1995,67(1):1-37
In this paper we extend the result we have established for the hyperbolic disk in [8] to the real and complex hyperbolic spaces.
This includes the reconstruction of a function defined in a fixed ball from its averages on balls of radiir
1,r
2 lying inB(0,R).
相似文献
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《Comptes Rendus Mathematique》2008,346(13-14):703-706
We prove quantifier elimination in Witt vectors over an algebraically closed fields (or in power series), considered as a valued module over the Ore ring of Frobenius polynomials. We get that these structures do not have the independence property. To cite this article: L. Bélair, F. Point, C. R. Acad. Sci. Paris, Ser. I 346 (2008). 相似文献