半可微的上半连续集值1-集压缩映射的正不动点  

Positive Fixed Point for Semidifferentiable and Upper Semicontinuous Set-valued 1-set-contractive Mapping

作　　者：魏曙光[1] 何光辉[1] 张谋[1] 

机构地区：[1]重庆大学数理学院,重庆400030

出　　处：《重庆大学学报（自然科学版）》2005年第9期105-107,共3页Journal of Chongqing University

摘　　要：利用集值映射的半可微概念,并引入集值映射的强半紧概念,研究具有半导数的上半连续强半紧1-集压缩映象的正不动点的存在性.Using semidifferentiable concept for set-valued mapping and defining strong semiconpact for set-valued mapping. The article studies the existence of positive fixed point for semidifferentiable and Upper semicontinuous set-valued 1-set-contractive mapping.

关 键 词：集值1-集压缩映象 上半连续 半可微 强半紧 正不动点 

分 类 号：O177[理学—数学]