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20242026
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12 papers · 1 filter

math.AP2026

Boundary regularity of -Hessian eigenfunctions

Guohuan Qiu, Jin Yan

We prove smoothness up to the boundary for -Hessian eigenfunctions on smooth bounded uniformly convex domains when . This resolves an open problem in the regularity t…

math.AP2026

Sharp Hessian integrability for the planar Monge--Ampère equation

XiaoRui Lu, Jin Yan, Bao Yu +1

We determine the optimal local integrability of the Hessian for planar convex Alexandrov solutions satisfying The distributional Hes…

math.AP2026

Ground states of a logarithmic Schrödinger equation with a power perturbation in : existence, uniqueness and nondegeneracy

Jinqi Yan, Bo You

The objective of this paper is to study the existence and uniqueness of positive ground state solutions of the following Schrödinger problem \[ -Δu=u\log u^2+μ\abs{u}^{p-1}u\qquad\…

math.AP2026

The -Laplace equation with a gradient term II: classification in the second critical case

Tian Wu, Jin Yan, Hua Zhu

Let and . We classify positive, locally bounded weak solutions of \[-Δ_m u=u^p|Du|^q\quad\text{in }\mathbb R^n,\qquad p=\frac{m-q}{n-m}\left(n+\frac{q}{m-1-q}\righ…

math.AP2026

Interior estimates for Hessian quotient equations

Guohuan Qiu, Jin Yan

We prove interior Hessian estimates in arbitrary dimensions for admissible solutions of Hessian quotient equations with constant right-hand side, when the numerator and denominator…

math.AP2026

Interior Curvature Estimates for the Graphical Scalar Curvature Equation in All Dimensions

Guohuan Qiu, Jin Yan

We resolve the long-standing problem of establishing interior \(C^2\) estimates for admissible solutions of the graphical scalar curvature equation in every dimension \(n\ge 3\). M…

math.AP2026

Interior estimate for semi-convex solutions to a class of Hessian quotient equations in arbitrary dimensions

Xinqun Mei, Jin Yan

In this paper, we study the interior estimates for Hessian quotient equations for , in arbitrary dimensions, under the natur…

math.AP2025

Finite time blow-up and global solutions for the viscoelastic wave equation with combined power-type nonlinearities

Haiyang Lin, Jinqi Yan, Bo You +1

The main objective of this manuscript is to investigate the global behavior of the solutions to the viscoelastic wave equation with a linear memory term of Boltzmann type, and a no…

math.AP2025

Liouville theorems for anisotropic -Laplace equations with a semilinear term

Weizhao Liang, Tian Wu, Jin Yan

In this paper, we investigate Liouville theorems for solutions to the anisotropic -Laplace equation $$-Δ_p^H u=-\operatorname{div}(a(\nabla u))=f(u),\quad\text{in }\mathbb{R}^n,…

math.AP2025

Neumann Problems for Elliptic and Parabolic Sum Hessian Equations

Weizhao Liang, Jin Yan, Hua Zhu

This paper studies the Neumann boundary value problem for sum Hessian equations. We first derive a priori estimates for -admissible solutions in almost convex and unif…

math.AP2025

The Pogorelov estimates for the sum Hessian equation with rigidity theorem and parabolic versions

Weizhao Liang, Jin Yan, Hua Zhu

In this paper, we primarily study the Pogorelov-type estimates for -convex solutions of the sum Hessian equation under the assumption of semi-convexity, and apply thes…

math.AP2024

Classification of positive solutions of critical anisotropic Sobolev equation without the finite volume constraint

Lu Chen, Tian Wu, Jin Yan +1

In this paper, we classify all positive solutions of the critical anisotropic Sobolev equation \begin{equation}\label{0.1} -Δ^{H}_{p}u = u^{p^{*}-1}, \ \ x\in \mathbb{R}^n \end{equ…