k-admissible solutions for a class of k-Hessian equations" /> 一类k-Hessian方程k-允许解的唯一性和收敛性
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浙江大学学报(理学版)  2023, Vol. 50 Issue (4): 424-428    DOI: 10.3785/j.issn.1008-9497.2023.04.005
数学与计算机科学     
一类k-Hessian方程k-允许解的唯一性和收敛性
何兴玥(),丁欢欢
西北师范大学 数学与统计学院,甘肃 兰州 730070
The uniqueness and convergence of k-admissible solutions for a class of k-Hessian equations
Xingyue HE(),Huanhuan DING
College of Mathematics and Statistics,Northwest Normal University,Lanzhou 730070,China
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摘要:

首先,运用u0-次线性定理,证明了一类耦合k-Hessian方程在超线性和次线性情形下,至多存在一个径向k-允许解;其次,用数值例子验证了径向k-允许解的唯一性;最后,运用单调迭代技巧,讨论了k-允许解的一致收敛性。

关键词: k-Hessian方程径向k-允许解u0-次线性定理单调迭代技巧    
Abstract:

A class of coupled k-Hessian equations is considered. Firstly, by using the u0-sublinear theorem, it is proved that the equation has at most one radial k-admissible solution under the super-linear and sub-linear conditions. The uniqueness of radial k-admissible solution is verified by a numerical example. Finally, by incorporate with the monotone iterative technique, the uniform convergence of the solution is also discussed.

Key words: k-Hessian equation    radial k-admissible solution    u0-sublinear theorem    monotone iterative technique
收稿日期: 2022-09-19 出版日期: 2023-07-17
CLC:  O 175.8  
基金资助: 西北师范大学研究生科研资助项目(2021KYZZ01032)
作者简介: 何兴玥(1995—),ORCID: https://orcid.org/0000-0001-5750-3926,女,博士研究生,主要从事常微分方程动力系统研究,E-mail:hett199527@163.com.
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引用本文:

何兴玥, 丁欢欢. 一类k-Hessian方程k-允许解的唯一性和收敛性[J]. 浙江大学学报(理学版), 2023, 50(4): 424-428.

Xingyue HE, Huanhuan DING. The uniqueness and convergence of k-admissible solutions for a class of k-Hessian equations. Journal of Zhejiang University (Science Edition), 2023, 50(4): 424-428.

链接本文:

https://www.zjujournals.com/sci/CN/10.3785/j.issn.1008-9497.2023.04.005        https://www.zjujournals.com/sci/CN/Y2023/V50/I4/424

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