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Some researches on solutions of the operator equation \(Nx=\delta Lx\). (Chinese. English summary) Zbl 1235.47053

Summary: In this paper, the zero indicator operator \(L\) and the completely continuous operator equation \(Nx=\delta Lx\) are studied by virtue of a multiple topological degree and some inequalities. Some new theorems are obtained and some important conclusions are generalized. The results are applied to some special differential equations.

MSC:

47J05 Equations involving nonlinear operators (general)
47H11 Degree theory for nonlinear operators
60H25 Random operators and equations (aspects of stochastic analysis)