activity
20182026
most citedExistence and Nonexistence of Extremals for critical Adams inequalities in R4 and Trudinger-Moser inequalities in R2

33 citations · 43 across the 18 of their papers we have counts for

collaborators

20 papers

math.AP2026

Attainment of the sharp stability constant of Beckner conformal log-Sobolev inequality

Lu Chen, Bohan Wang

The existence of minimizer for stability of the fractional Sobolev inequality and the stability of Beckner conformal Log-Sobolev inequality (the endpoint case of fractional Sobolev…

math.AP2026

A complete characterization of the existence of extremals for the Trudinger-Moser inequality on under sharp -perturbations

Lu Chen, Rou Jiang, Guozhen Lu +1

In this paper, we investigate the following critical Trudinger--Moser inequality on under sharp -perturbations: $$ S(λ,p) := \sup_{\substack{u\in H^{1}(\mathbb R…

math.AP2026

Stability for Critical Points of the Hardy--Littlewood--Sobolev Inequality and a Dual Stability Framework

Lu Chen, Guozhen Lu, Hanli Tang

Although quantitative stability for critical points of the Sobolev and fractional Sobolev inequalities has been extensively studied, the corresponding stability theory for critical…

math.AP2025

Asymptotically sharp stability of Sobolev inequalities on the Heisenberg group with dimension-dependent constants

Lu Chen, Guozhen Lu, Hanli Tang +1

In this paper, we are concerned with the optimal asymptotic lower bound for the stability of Sobolev inequality on the Heisenberg group. We first establish the optimal local stabil…

math.AP2025

Existence and Nonexistence of Extremals for Trudinger-Moser inequalities with type perturbation on any bounded planar domains

Lu Chen, Rou Jiang, Guozhen Lu +1

In this study, we investigate the perturbed Trudinger-Moser inequalities as follows:\[ S_Ω(λ,p)=\sup_{u\in H_{0}^{1}(Ω),\Vert\nabla u\Vert _{L^{2}\left( Ω\right) }\leq 1}\int_Ω\lef…

math.AP2024★ 1 cited

Quantization property of n-Laplacian mean field equation and sharp Moser-Onofri inequality

Lu Chen, Guozhen Lu, Bohan Wang

In this paper, we are concerned with the following -Laplacian mean field equation \[ \left\{ {\begin{array}{*{20}{c}} { - Δ_n u = λe^u} & {\rm in} \ \ Ω, \\ {\ \ \ \ u = 0} &\ {…

math.AP2024

Optimal stability of Hardy-Littlewood-Sobolev and Sobolev inequalities of arbitrary orders with dimension-dependent constants

Lu Chen, Guozhen Lu, Hanli Tang

Recently, Dolbeault-Esteban-Figalli-Frank-Loss [20] established the optimal stability of the first-order -Sobolev inequality with dimension-dependent constant. Subsequently, C…

math.AP2023

Optimal asymptotic lower bound for stability of fractional Sobolev inequality and the stability of Log-Sobolev inequality on the sphere

Lu Chen, Guozhen Lu, Hanli Tang

We establish the optimal asymptotic lower bound for the stability of fractional Sobolev inequality: \begin{equation}\label{Sob sta ine} \left\|(-Δ)^{s/2} U \right\|_2^2 - \mathcal…

math.AP2023

A sharp trace Adams' inequality in and Existence of the extremals

Lu Chen, Guozhen Lu, Maochun Zhu

Let be a bounded domain with smooth boundary . In this paper, we establish the following sharp form of the trace Adams' inequality in $W^{2,2…

math.AP2023

Bubbling phenomenon for semilinear Neumann elliptic equations of critical exponential growth

Lu Chen, Guozhen Lu, Caifeng Zhang

In the past few decades, much attention has been paid to the bubbling problem for semilinear Neumann elliptic equation with the critical and subcritical polynomial nonlinearity, mu…

math.AP2023

Stability of Hardy-Littlewood-Sobolev inequalities with explicit lower bounds

Lu Chen, Guozhen Lu, Hanli Tang

In this paper, we establish the stability for the Hardy-Littlewood-Sobolev (HLS) inequalities with explicit lower bounds. By establishing the relation between the stability of HLS…

math.AP2022

Uniqueness of positive solutions to elliptic equations with the critical exponential growth on the unit disc and its applications

Lu Chen, Guozhen Lu, Ying Xue +1

In this paper, we will solve this uniqueness problem of positive solutions to the following equations of exponential growth: \begin{equation*} \begin{cases} -Δu =λue^{u^2},\quad\qu…

math.AP2022

Sharp Stability of Log-Sobolev and Moser-Onofri inequalities on the Sphere

Lu Chen, Guozhen Lu, Hanli Tang

In this paper, we are concerned with the stability problem for endpoint conformally invariant cases of the Sobolev inequality on the sphere . Namely, we will establis…

math.AP2021★ 1 cited

Existence and Non-existence of Ground states of bi-harmonic equations involving constant and degenerate Rabinowitz potentials

Lu Chen, Guozhen Lu, Maochun Zhu

Recently, the authors of the current paper established in [9] the existence of a ground-state solution to the following bi-harmonic equation with the constant potential or Rabinowi…

math.AP2021★ 1 cited

Sharp critical and subcritical trace Trudinger-Moser and Adams inequalities on the upper half spaces

Lu Chen, Guozhen Lu, Qiaohua Yang +1

In this paper, we establish the sharp critical and subcritical trace Trudinger-Moser and Adams inequalities on the half spaces and prove the existence of their extremals through th…

math.AP2021

Sharp subcritical Sobolev inequalities and uniqueness of nonnegative solutions to high-order Lane-Emden equations on

Lu Chen, Guozhen Lu, Yansheng Shen

In this paper, we are concerned with the uniqueness result for non-negative solutions of the higher-order Lane-Emden equations involving the GJMS operators on . Since…

math.AP2019★ 2 cited

Ground states of bi-harmonic equations with critical exponential growth involving constant and trapping potentials

Lu Chen, Guozhen Lu, Maochun Zhu

In this paper, we first give a necessary and sufficient condition for the boundedness and the compactness for a class of nonlinear functionals in . Using this…

math.AP2018★ 33 cited

Existence and Nonexistence of Extremals for critical Adams inequalities in R4 and Trudinger-Moser inequalities in R2

Lu Chen, Guozhen Lu, Maochun Zhu

Though much work has been done with respect to the existence of extremals of the critical first order Trudinger-Moser inequalities in and higher order Adams…

math.AP2018★ 3 cited

Stein-Weiss inequalities with the fractional Poisson kernel

Lu Chen, Zhao Liu, Guozhen Lu +1

In this paper, we establish the following Stein-Weiss inequality with the fractional Poisson kernel (see Theorem 1.1): \begin{equation}\label{int1} \int_{\mathbb{R}^n_{+}}\int_{\pa…

math.CA2018★ 2 cited

Existence of extremal functions for the Stein-Weiss inequalities on the Heisenberg group

Lu Chen, Guozhen Lu, Chunxia Tao

In this paper, we establish the existence of extremals for two kinds of Stein-Weiss inequalities on the Heisenberg group. More precisely, we prove the existence of extremals for th…