Positive solutions to the nonlinear Choquard equation: symmetry, uniqueness, and nondegeneracy

We study the symmetry, uniqueness, and nondegeneracy of positive solutions to the Choquard equation $-Δu+u=(I_α*u^p)u^{p-1}$ in $\mathbb{R}^N$, which have long remained open problems. For $N\geq3$, $α\in(0,N)$, and $\frac{N+α}{N}

Authors

Publication Details

Journal
arXiv (Cornell University)
Published
2026-11-03
DOI
https://doi.org/10.48550/arxiv.2611.05138
Primary Topic
Nonlinear Partial Differential Equations
Type
preprint
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preprint

Positive solutions to the nonlinear Choquard equation: symmetry, uniqueness, and nondegeneracy

Jiankang Xia, Chengxiang Zhang, Xu Zhang
arXiv (Cornell University)
Nonlinear Partial Differential Equations
preprint

Positive solutions to the nonlinear Choquard equation: symmetry, uniqueness, and nondegeneracy

Jiankang Xia, Chengxiang Zhang, Xu Zhang
preprint en

Abstract

We study the symmetry, uniqueness, and nondegeneracy of positive solutions to the Choquard equation $-Δu+u=(I_α*u^p)u^{p-1}$ in $\mathbb{R}^N$, which have long remained open problems. For $N\geq3$, $α\in(0,N)$, and $\frac{N+α}{N}

arXiv (Cornell University)
Nonlinear Partial Differential Equations
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Positive solutions to the nonlinear Choquard equation: symmetry, uniqueness, and nondegeneracy — Jiankang Xia, Chengxiang Zhang, et al. · arXiv (Cornell University) (2026) | TGRS Research Map | TGRS