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集值映射的半連續性,逼近選擇和連續選擇定理及應用
集值映射的半連續性,逼近選擇和連續選擇定理及應用
摘要:本文對集值映射的上半連續,下半連續,以及廣義下半連續的定義,性質及其它們的關系做了1些探討.在H- 空間中,我們給出了具有廣義Zima型的幾乎下半連續集值映射的連續選擇定理.作為應用,我們證明了1些不動點定理和極小極大不等式.
關鍵詞:下半連續;幾乎下半連續;廣義Zima型;逼近選擇定理;連續選擇;H-空間
Semicontinuity fo Set-valued Map, Approximate Selection ,
Continuous Selection Theorems with Applications
Abstract:In the paper, we researched the definitions, properties and relationships of upper and lower semicontinuous ,and generalized semicontinuous multivalued mapping. In H-spaces, continuous selection theorems involving almost lower semicontinuous multivalued mapping with generalized Zima type were given. As applications, some fixed point theorems and minimax inequalities were proved.
Keywords: lower semicontinuous;almost lower semicontinuous;generalized Zima type;appropximate selection theorem;
continuous selection;H-spaces
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