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We prove several Sobolev inequalities, which are then used to establish a fractional Hardy-Sobolev- Maz'ya inequality on the upper halfspace.

Functional Analysis · Mathematics 2015-03-17 Craig A. Sloane

The main purpose of this article is to obtain (weighted) fractional Hardy inequalities with a remainder and fractional Hardy-Sobolev-Maz'ya inequalities valid for $1<p<2$.

Analysis of PDEs · Mathematics 2026-01-05 Bartłomiej Dyda , Michał Kijaczko

We establish some qualitative properties of minimizers in the fractional Hardy--Sobolev inequalities of arbitrary order.

Analysis of PDEs · Mathematics 2020-09-25 Roberta Musina , Alexander I. Nazarov

We investigate the existence of extremals for Hardy-Sobolev inequalities involving the Dirichlet fractional Laplacian of order s, 0<s<1, on half-spaces.

Analysis of PDEs · Mathematics 2018-03-30 Roberta Musina , Alexander I. Nazarov

We determine the sharp constant in the Hardy inequality for fractional Sobolev spaces on half-spaces. Our proof relies on a non-linear and non-local version of the ground state representation.

Functional Analysis · Mathematics 2009-06-09 Rupert L. Frank , Robert Seiringer

We prove fractional order Hardy inequalities on open sets under a combined fatness and visibility condition on the boundary. We demonstrate by counterexamples that fatness conditions alone are not sufficient for such Hardy inequalities to…

Classical Analysis and ODEs · Mathematics 2015-12-23 Lizaveta Ihnatsyeva , Juha Lehrbäck , Heli Tuominen , Antti V. Vähäkangas

We obtain sharp fractional Hardy inequalities for the half-space and for convex domains. We extend the results of Bogdan and Dyda and of Loss and Sloane to the setting of Sobolev-Bregman forms.

Analysis of PDEs · Mathematics 2026-01-05 Michał Kijaczko , Julia Lenczewska

We prove a fractional version of the Hardy--Sobolev--Maz'ya inequality for arbitrary domains and $L^p$ norms with $p\geq 2$. This inequality combines the fractional Sobolev and the fractional Hardy inequality into a single inequality, while…

Functional Analysis · Mathematics 2011-09-30 Bartłomiej Dyda , Rupert L. Frank

In this article we prove both norm and modular Hardy inequalities for a class functions in one-dimensional fractional Orlicz-Sobolev spaces.

Analysis of PDEs · Mathematics 2020-09-15 Ariel Salort

As our main result we prove a variant of the fractional Hardy-Sobolev-Maz'ya inequality for half spaces. This result contains a complete answer to a recent open question by Musina and Nazarov. In the proof we apply a new version of the…

Classical Analysis and ODEs · Mathematics 2017-09-12 Bartłomiej Dyda , Juha Lehrbäck , Antti V. Vähäkangas

We prove fractional Sobolev-Poincar\'e inequalities in unbounded John domains and we characterize fractional Hardy inequalities there.

Classical Analysis and ODEs · Mathematics 2013-11-13 Ritva Hurri-Syrjänen , Antti V. Vähäkangas

We prove fractional Hardy--Sobolev--Maz'ya inequality for balls and a half-space, partially answering the open problem posed by Frank and Seiringer [arXiv:0906.1561v1 [math.FA], 2009] We note that for half-spaces this inequality has been…

Functional Analysis · Mathematics 2015-03-17 Bartłomiej Dyda

In this article we establish new improvements of the optimal Hardy inequality in the half space. We first add all possible linear combinations of Hardy type terms thus revealing the structure of this type of inequalities and obtaining best…

Analysis of PDEs · Mathematics 2008-02-08 Stathis Filippas , Achilles Tertikas , Jesper Tidblom

This work focuses on an improved fractional Sobolev inequality with a remainder term involving the Hardy-Littlewood-Sobolev inequality which has been proved recently. By extending a recent result on the standard Laplacian to the fractional…

Functional Analysis · Mathematics 2014-07-16 Gaspard Jankowiak , Van Hoang Nguyen

In this paper, we prove capacitary versions of the fractional Sobolev--Poincar\'e inequalities. We characterize localized variant of the boundary fractional Sobolev--Poincar\'e inequalities through uniform fatness condition of the domain in…

Analysis of PDEs · Mathematics 2024-08-15 Firoj Sk

In this article we first establish a complete characterization of Hardy's inequalities in $\mathbb{R}^n$ involving distances to different codimension subspaces. In particular the corresponding potentials have strong interior singularities.…

Analysis of PDEs · Mathematics 2009-11-06 Stathis Filippas , Achilles Tertikas , Jesper Tidblom

We prove fractional Sobolev-Poincar\'e inequalities, capacitary versions of fractional Poincar\'e inequalities, and pointwise and localized fractional Hardy inequalities in a metric space equipped with a doubling measure. Our results…

Classical Analysis and ODEs · Mathematics 2021-08-17 Bartłomiej Dyda , Juha Lehrbäck , Antti V. Vähäkangas

In this work we establish trace Hardy-Sobolev-Maz'ya inequalities with best Hardy constants, for weakly mean convex domains. We accomplish this by obtaining a new weighted Hardy type estimate which is of independent inerest. We then produce…

Analysis of PDEs · Mathematics 2014-09-17 Stathis Filippas , Luisa Moschini , Achilles Tertikas

The aim of this work is to establish some cases of the Caffarelli-Kohn-Nirenberg inequalities on the Heisenberg group for the fractional Sobolev spaces. Here we work with the fractional Sobolev spaces as given by Adimurthi and Mallick in…

Analysis of PDEs · Mathematics 2024-03-27 Rama Rawat , Haripada Roy , Prosenjit Roy

We establish both sufficient and necessary conditions for the validity of the so-called Hardy-Sobolev inequalities on open sets of the Euclidean space. These inequalities form a natural interpolating scale between the (weighted) Sobolev…

Classical Analysis and ODEs · Mathematics 2016-11-21 Juha Lehrbäck , Antti V. Vähäkangas
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