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Non-radial positive and sign-changing solutions for the FitzHugh-Nagumo system in RN

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成果类型:
期刊论文
作者:
Xie, Weihong;Yu, Mingzhu
通讯作者:
Yu, MZ
作者机构:
[Xie, Weihong] Cent South Univ, Sch Math & Stat, HNP, LAMA, Changsha 410083, Hunan, Peoples R China.
[Yu, Mingzhu; Yu, MZ] Changsha Univ Sci & Technol, Sch Math & Stat, Changsha 410083, Hunan, Peoples R China.
通讯机构:
[Yu, MZ ] C
Changsha Univ Sci & Technol, Sch Math & Stat, Changsha 410083, Hunan, Peoples R China.
语种:
英文
关键词:
FitzHugh-Nagumo system;Infinitely many positive solutions;Sign-changing solutions;Gluing methods
期刊:
ANNALI DI MATEMATICA PURA ED APPLICATA
ISSN:
0373-3114
年:
2025
页码:
1-32
基金类别:
National Natural Science Foundation of China [2023JJ40701]; Natural Science Foundation of Hunan Province [12201645]; National Natural Science Foundation of China [2024MMAEYB04]; Open Research Fund of Science and Technology Innovation Platform of Hunan Provincial Key Laboratory of Engineering Mathematics Modeling and Analysis, Changsha University of Science and Technology
机构署名:
本校为通讯机构
院系归属:
数学与统计学院
摘要:
In this article we present the existence of infinitely many non-radial positive or sign-changing solutions for the following FitzHugh–Nagumosystem: $$\begin{aligned} \left\{ \begin{array}{ll} \Delta u-a(|x|)u+g(u)-\delta v=0, \quad & x\in \mathbb {R}^N,\\ \Delta v+u=0, & x\in \mathbb {R}^N,\\ u(x), ~v(x)\rightarrow 0, & \text{ as }~ |x|\rightarrow +\infty ,\\ \end{array}\right. \end{aligned}$$ where $$N\ge 5$$ , $$\delta >0$$ , $$g(u)=(a_0+1)u^2-u^3$$ , $$0

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