“…Note that the following Hardy inequality in R n holds for 1 < p < n (see [19,34,51]), Since these equations hold for all origin-symmetric convex bodies L, (18) implies the statements of the lemma.…”
New sharp Lorentz-Sobolev inequalities are obtained by convexifying level sets in Lorentz integrals via the L p Minkowski problem. New L p isocapacitary and isoperimetric inequalities are proved for Lipschitz star bodies. It is shown that the sharp convex Lorentz-Sobolev inequalities are analytic analogues of isocapacitary and isoperimetric inequalities.
“…Note that the following Hardy inequality in R n holds for 1 < p < n (see [19,34,51]), Since these equations hold for all origin-symmetric convex bodies L, (18) implies the statements of the lemma.…”
New sharp Lorentz-Sobolev inequalities are obtained by convexifying level sets in Lorentz integrals via the L p Minkowski problem. New L p isocapacitary and isoperimetric inequalities are proved for Lipschitz star bodies. It is shown that the sharp convex Lorentz-Sobolev inequalities are analytic analogues of isocapacitary and isoperimetric inequalities.
ABSTRACT. In this paper we study the best constant in a Hardy inequality for the p−Laplace operator on convex domains with Robin boundary conditions. We show, in particular, that the best constant equals ((p − 1)/p) p whenever Dirichlet boundary conditions are imposed on a subset of the boundary of non-zero measure. We also discuss some generalizations to non-convex domains.
“…3.53) cannot be improved in this generality. Indeed if ∇ L is the usual gradient ∇, then this constant is sharp (see [42]).…”
Section: Hardy Inequalities On Carnot Groupsmentioning
confidence: 99%
“…A lot of efforts have been made to give explicit values of the constant c, and even more, to find its best value c n, p (see e.g. [5,10,23,24,31,40,41,42]).…”
We prove some Hardy-type inequalities related to quasilinear secondorder degenerate elliptic differential operatorsWe find an explicit value of the constant involved, which, in most cases, results optimal. As particular case we derive Hardy inequalities for subelliptic operators on Carnot Groups.
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