中文

具有指数增长与非局部非线性项的混合阶次共形不变系统:临界维数下的分类

偏微分方程分析 2026-03-12 v1

摘要

本文在假设u(x)=O(xK)u(x)= O(|x|^{K})x+|x|\rightarrow+\infty for some K1K\gg1 arbitrarily large的极其宽松条件下,对以下在Rn\mathbb{R}^{n}中的混合阶次共形不变系统进行解的分类:该系统包含指数增长和非局部非线性项:{(Δ)12u=epv(Δ)n2v=(1x2u2)u2in  Rn, \left\{ \begin{aligned} (-\Delta)^{\frac{1}{2}}u & = e^{pv} \\ (-\Delta)^{\frac{n}{2}}v & = \left(\frac{1}{|x|^2}*u^2\right)u^2 \end{aligned} \right. \quad \text{in}\; \mathbb{R}^n, 其中n=3,4n=3,\,4p>0p>0u0u\geqslant0v(x)=o(x2)v(x)=o(|x|^2)x|x|\to\inftyuu满足有限总质量条件。有限总质量条件可从uL2nn1(Rn)u \in L^\frac{2n}{n-1}(\mathbb{R}^n)uH˙12(Rn)u \in \dot{H}^\frac{1}{2}(\mathbb{R}^n)推导出。该系统与共形不变方程(Δ)12u=(1x2u2)u(-\Delta)^{\frac{1}{2}}u=\left(\frac{1}{|x|^{2}}*u^2\right)u(Δ)n2u=(n1)!enu(-\Delta)^{\frac{n}{2}}u=(n-1)!e^{nu} in Rn\mathbb{R}^{n} with n=3,4n=3,4密切相关,这些方程已被广泛研究。

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引用

@article{arxiv.2603.10404,
  title  = {Mixed order conformally invariant system with exponential growth and nonlocal nonlinear terms in critical dimensions},
  author = {Yiwu Chen and Wei Dai and Bin Huang},
  journal= {arXiv preprint arXiv:2603.10404},
  year   = {2026}
}