2005
DOI: 10.1002/mma.680
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Weighted Poincaré and Korn inequalities for Hölder α domains

Abstract: Abstract. It is known that the classic Korn inequality is not valid for Hölder α domains. In this paper we prove a family of weaker inequalities for this kind of domains, replacing the standard L p -norms by weighted norms where the weights are powers of the distance to the boundary.In order to obtain these results we prove first some weighted Poincaré inequalities and then, generalizing an argument of Kondratiev and Oleinik, we show that weighted Korn inequalities can be derived from them.The Poincaré type in… Show more

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Cited by 29 publications
(41 citation statements)
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“…Indeed, the classical Korn inequality, fundamental to proving existence of solutions of the linearized elasticity equations, does not hold in domains with outer peaks, but a variant involving weights depending on the distance to the boundary or the distance to the tip of the cusp does hold. Similar results hold for the divergence operator for which a continuous right inverse can be defined on this kind of weighted spaces [Acosta et al 2006;2012;Durán and López García 2010a;2010b]. In this context it is clear that a version of Theorem A for weights of the type described can also be useful in applications.…”
Section: Introductionmentioning
confidence: 54%
“…Indeed, the classical Korn inequality, fundamental to proving existence of solutions of the linearized elasticity equations, does not hold in domains with outer peaks, but a variant involving weights depending on the distance to the boundary or the distance to the tip of the cusp does hold. Similar results hold for the divergence operator for which a continuous right inverse can be defined on this kind of weighted spaces [Acosta et al 2006;2012;Durán and López García 2010a;2010b]. In this context it is clear that a version of Theorem A for weights of the type described can also be useful in applications.…”
Section: Introductionmentioning
confidence: 54%
“…for all µ ∈ R. Indeed, this estimate was proved in [13] (see also Lema 3.1 in [1], and [31] for a different proof in the case p = 2 and µ = 0). Therefore, taking µ = β − α we obtain…”
Section: Preliminaries and Korn Type Inequalitiesmentioning
confidence: 77%
“…The statement given in the following theorem is slightly stronger than the result in Theorem 3.1 of [1]. Therefore, we include the proof for the sake of completeness although the arguments are essentially those given in that reference.…”
Section: Preliminaries and Korn Type Inequalitiesmentioning
confidence: 93%
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