Pytkeev空间与弱FU空间的几个注记  

Several notes on Pytkeev spaces and weakly FU spaces

作　　者：王汉锋[1] 贺伟[2] 

机构地区：[1]山东农业大学数学系,山东泰安271018 [2]南京师范大学数学科学学院,江苏南京210023

出　　处：《东北师大学报（自然科学版）》2016年第2期44-47,共4页Journal of Northeast Normal University(Natural Science Edition)

基　　金：国家自然科学基金资助项目(11171156);山东省自然科学基金资助项目(ZR2014AL002)

摘　　要：讨论了Pytkeev空间与弱FU空间几个映射的性质,得到了两类空间被连续映射保持与逆保持的几个结论,纠正了Malykhin与Tironi的两个错误证明.Several mapping properties about Pytkeev spaces and weakly FU spaces are investigated and some results on being preserved and adversely preserved about the two class of spaces are given by continuous mappings.Moreover,two wrong proofs by Malykhin and Tironi are corrected.

关 键 词：Pytkeev空间 弱FU空间 闭映射 完全映射 可数紧度 

分 类 号：O189.1[理学—数学]