节点文献
pp1-空间、wpp1-空间、meta-Lindff空间的映射性质
The mapping properties of ppl-space, wappl-space and meta-Lindff space
【摘要】 对ppl空间、wppl空间、metaLindelf空间的映射性质进行了探讨,证明了ppl空间、wppl空间、metaLindelf空间被可数对一开映射保持。
【Abstract】 This paper discusses the properties of ppl-space, wppl-space and meta-Lindff space. The main results prove that ppl-space, wppl-space and meta-Lindff space are preserved by countable to one opening mapping.
【关键词】 完全聚点;
pl-集;
ppl-空间;
wppl-空间;
meta-Lindelf空间;
可数对一开映射;
点可数;
【Key words】 complete cluster point; ppl-set; ppl-space; wppl-space; meta-Linff space; countable to one open mapping; point countable;
【Key words】 complete cluster point; ppl-set; ppl-space; wppl-space; meta-Linff space; countable to one open mapping; point countable;
- 【文献出处】 中国环境管理干部学院学报 ,Journal of Environmental Management College of China , 编辑部邮箱 ,2004年04期
- 【分类号】O189.11
- 【下载频次】14