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By using optimal mass transport theory, we provide a direct proof to the sharp $L^p$-log-Sobolev inequality $(p\geq 1)$ involving a log-concave homogeneous weight on an open convex cone $E\subseteq \mathbb R^n$. The perk of this proof is…

Analysis of PDEs · Mathematics 2024-02-22 Zoltán M. Balogh , Sebastiano Don , Alexandru Kristály

We derive a discrete $ L^q-L^p$ Sobolev inequality tailored for the Crouzeix--Raviart and discontinuous Crouzeix--Raviart finite element spaces on anisotropic meshes in both two and three dimensions. Subject to a semi-regular mesh…

Numerical Analysis · Mathematics 2026-01-07 Hiroki Ishizaka

We prove a trace Hardy type inequality with the best constant on the polyhedral convex cones which generalizes recent results of Alvino et al. and of Tzirakis on the upper half space. We also prove some trace Hardy-Sobolev-Maz'ya type…

Functional Analysis · Mathematics 2016-03-28 Van Hoang Nguyen

We establish a family of sharp Sobolev trace inequalities involving the $W^{k,2}(\mathbb{R}_+^{n+1},y^a)$-norm. These inequalities are closely related to the realization of fractional powers of the Laplacian on…

Analysis of PDEs · Mathematics 2022-11-16 Jeffrey S. Case

The goal of this short note is to prove qualitative stability for a family of trace Sobolev inequalities first proven by Carlen \& Loss for $p=2$ and by Maggi and the author for $p\in (1,n)$. This answers an open problem raised in a recent…

Analysis of PDEs · Mathematics 2026-05-29 Robin Neumayer

We provide a proof of the sharp log-Sobolev inequality on a compact interval.

Functional Analysis · Mathematics 2016-01-20 Whan Ghang , Zane Martin , Steven Waruhiu

In this paper, we establish a sharp remainder formula for the Poincar\'e inequality for Baouendi-Grushin vector fields in the setting of $L^{p}$ for complex-valued functions. In special cases, we recover previously known results.…

Analysis of PDEs · Mathematics 2025-07-15 Kuralay Apseit , Nurgissa Yessirkegenov , Amir Zhangirbayev

There are at least two directions concerning the extension of classical sharp Hardy-Littlewood-Sobolev inequality: (1) Extending the sharp inequality on general manifolds; (2) Extending it for the negative exponent $\lambda=n-\alpha$ (that…

Analysis of PDEs · Mathematics 2013-09-11 Jingbo Dou , Meijun Zhu

We obtain the sharp constant for the Hardy-Sobolev inequality involving the distance to the origin. This inequality is equivalent to a limiting Caffarelli-Kohn-Nirenberg inequality. In three dimensions, in certain cases the sharp constant…

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

In this paper we establish a new class of weighted Hardy-Sobolev type inequalities under mild monotonicity assumptions on the weight function. As a consequence, we derive the corresponding weighted Sobolev and trace-type inequalities. These…

Analysis of PDEs · Mathematics 2026-02-10 João Marcos do Ò , Marcelo Furtado , Everaldo Medeiros , Jesse Ratzkin

We establish an analog Hardy inequality with sharp constant involving exponential weight function. The special case of this inequality (for n=2) leads to a direct proof of Onofri inequality on S^2.

Analysis of PDEs · Mathematics 2007-10-24 Suyu Li , Meijun Zhu

In this article, we introduce an analogous problem to Yamabe type problem considered by Case, J., which generalizes the Escobar-Riemann mapping problem for smooth metric measure spaces with boundary. The last problem will be called…

Differential Geometry · Mathematics 2018-07-10 Jhovanny Muñoz Posso

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 short paper, we establish a range of Caffarelli-Kohn-Nirenberg and weighted $L^{p}$-Sobolev type inequalities on stratified Lie groups. All inequalities are obtained with sharp constants. Moreover, the equivalence of the Sobolev…

Functional Analysis · Mathematics 2017-09-26 Michael Ruzhansky , Durvudkhan Suragan , Nurgissa Yessirkegenov

We prove new Alexandrov-Fenchel type inequalities and new affine isoperimetric inequalities for mixed $p$-affine surface areas. We introduce a new class of bodies, the illumination surface bodies, and establish some of their properties. We…

Metric Geometry · Mathematics 2010-07-09 Elisabeth Werner , Deping Ye

We develop a technique to obtain new symmetrization inequalities that provide a unified framework to study Sobolev inequalities, concentration inequalities and sharp integrability of solutions of elliptic equations

Functional Analysis · Mathematics 2017-05-30 Joaquim Martin , Mario Milman

We determine the sharp constant in the Hardy inequality for fractional Sobolev spaces. To do so, we develop a non-linear and non-local version of the ground state representation, which even yields a remainder term. From the sharp Hardy…

Analysis of PDEs · Mathematics 2008-11-15 Rupert L. Frank , Robert Seiringer

Given $L$ a convex body, the $L_p$-Busemann Random Simplex Inequality is closely related to the centroid body $\Gamma_p L$ for $p=1$ and $2$, and only in these cases it can be proved using the $L_p$-Busemann-Petty centroid inequality. We…

Metric Geometry · Mathematics 2025-01-24 Julián Eduardo Haddad

We prove certain $L^p$ Sobolev-type inequalities for twisted differential forms on real (and complex) manifolds for the Laplace operator $\Delta$, the differential operators $d$ and $d^*$, and the operator $\bar\partial$. A key tool to get…

Analysis of PDEs · Mathematics 2025-01-13 Fusheng Deng , Gang Huang , Xiangsen Qin

We provide a precise statement and self contained proof of a Sobolev inequality (cf. [A, page 236 and page 237]) stated in the original paper. Higher order and fractional inequalities are treated as well.

Functional Analysis · Mathematics 2018-06-22 Mario Milman
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