Nonnegative Solutions of a Nonlinear System and Applications to Elliptic BVPs*

Guangchong Yang, Yanqiu Chen
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Abstract

Abstract In this communication, we study the existence of nonnegative solutions of a nonlinear system in Banach spaces. These maps involved in the system defined on cone do not necessarily take values in the cone. Using fixed point theorems just established for this type of mappings, nonnegative solutions of the system are obtained and used to investigate elliptic boundary value problems (BVPs). MSC(2010): 47H10, 35J57. Keywords: Nonlinear system, Nonnegative solutions, Nowhere normal-outward maps, Fixed point, Elliptic BVPs.
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一类非线性系统的非负解及其在椭圆型bvp中的应用
摘要本文研究了Banach空间中非线性系统非负解的存在性。在锥上定义的系统中涉及的这些映射不一定在锥中取值。利用这类映射的不动点定理,得到了系统的非负解,并用于椭圆型边值问题的研究。物理学报(2010):47 - 51。关键词:非线性系统,非负解,无处法向外映射,不动点,椭圆bvp。
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