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arXiv:1805.06434 [math.FA]AbstractReferencesReviewsResources

Fractional Korn and Hardy-type inequalities for vector fields in half space

Tadele Mengesha

Published 2018-05-16Version 1

We prove a fractional Hardy-type inequality for vector fields over the half space based on a modified fractional semi-norm. A priori, the modified semi-norm is not known to be equivalent to the standard fractional semi-norm and in fact gives a smaller norm, in general. As such, the inequality we prove improves the classical fractional Hardy inequality for vector fields. We will use the inequality to establish the equivalence of a space of functions (of interest) defined over the half space with the classical fractional Sobolev spaces, which amounts to proving a fractional version of the classical Korn's inequality.

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