Degenerate stability of some Sobolev inequalities

RL Frank - Ann. Inst. H. Poincaré Anal. Non Linéaire, to appear, 2022 - ems.press
We show that on S1. 1= pd 2/Sd1. 1/the conformally invariant Sobolev inequality holds with
a remainder term that is the fourth power of the distance to the optimizers. The fourth power …

The sharp Sobolev inequality and its stability: An introduction

RL Frank - arXiv preprint arXiv:2304.03115, 2023 - arxiv.org
These notes are an extended version of a series of lectures given at the CIME Summer
School in Cetraro in June 2022. The goal is to explain questions about optimal functional …

Degenerate stability of the Caffarelli–Kohn–Nirenberg inequality along the Felli–Schneider curve

RL Frank, JW Peteranderl - Calculus of Variations and Partial Differential …, 2024 - Springer
We show that the Caffarelli–Kohn–Nirenberg (CKN) inequality holds with a remainder term
that is quartic in the distance to the set of optimizers for the full parameter range of the Felli …

On the stability of critical points of the Hardy-Littlewood-Sobolev inequality

K Liu, Q Zhang, W Zou - arXiv preprint arXiv:2306.15862, 2023 - arxiv.org
This paper is concerned with the quantitative stability of critical points of the Hardy-
Littlewood-Sobolev inequality. Namely, we give quantitative estimates for the Choquard …

Stability of Sobolev inequalities on Riemannian manifolds with Ricci curvature lower bounds

F Nobili, IY Violo - arXiv preprint arXiv:2210.00636, 2022 - arxiv.org
We study the qualitative stability of two classes of Sobolev inequalities on Riemannian
manifolds. In the case of positive Ricci curvature, we prove that an almost extremal function …

Sharp quantitative stability of Struwe's decomposition of the Poincar\'e-Sobolev inequalities on the hyperbolic space: Part I

M Bhakta, D Ganguly, D Karmakar… - arXiv preprint arXiv …, 2022 - arxiv.org
A classical result owing to Mancini and Sandeep [Ann. Sc. Norm. Super. Pisa Cl. Sci. 7
(2008)] asserts that all positive solutions of the Poincar\'e-Sobolev equation on the …

Sharp quantitative rigidity results for maps from to of general degree

M Rupflin - arXiv preprint arXiv:2305.17045, 2023 - arxiv.org
As the energy of any map $ v $ from $ S^ 2$ to $ S^ 2$ is at least $4\pi\vert deg (v)\vert $
with equality if and only if $ v $ is a rational map one might ask whether maps with small …

Sharp quantitative stability of the Yamabe problem

H Chen, S Kim - arXiv preprint arXiv:2404.13961, 2024 - arxiv.org
Given a smooth closed Riemannian manifold $(M, g) $ of dimension $ N\ge 3$, we derive
sharp quantitative stability estimates for nonnegative functions near the solution set of the …

[PDF][PDF] On the stability of fractional Sobolev trace inequality and corresponding profile decomposition

Y Zhang, Y Zhou, W Zou - arXiv preprint arXiv:2312.01766, 2023 - arxiv.org
In this paper, we study the stability of fractional Sobolev trace inequality within both the
functional and critical point settings. In the functional setting, we establish the following …

Degenerate stability of critical points of the Caffarelli-Kohn-Nirenberg inequality along the Felli-Schneider curve

Y Zhou, W Zou - arXiv preprint arXiv:2407.10849, 2024 - arxiv.org
In this paper, we investigate the validity of a quantitative version of stability for the critical
Hardy-H\'enon equation\begin {equation*} H (u):=\div (| x|^{-2a}\nabla u)+| x|^{-pb}| u|^{p-2} …