摘要
本文在集值映射选择的性质基础上,讨论了Banach空间下度量投影的几乎下半连续与连续选择的一个关系.
In this paper, on the base of the property for the selection of set-valued mapping, we introduce a relation of almost lower semicontinuous and continuous selection for metric projection in Banach space.
出处
《哈尔滨理工大学学报》
CAS
2007年第6期75-76,79,共3页
Journal of Harbin University of Science and Technology
基金
黑龙江省教育厅科学技术研究项目资助(1055302610553024)
关键词
集值映射
度量投影
几乎下半连续
连续选择
set-valued mapping
metric projection
almost lower semicontinuous
continuous selection.