M1-空间相关论文
本文研究了具有弱nestedT2算子的空间的遗传性、有限乘积性并讨论了与正则空间、第一可数空间、同胚映射之间的关系。......
In this paper,We defined M1^#-space,in some meaning,it is a dual concept of M1^#-space. We proved that Metrizable→M1^#......
以邻域约定为工具讨论了一类特殊的单调正规空间,证明了具有垫状对基的拓扑空间是M1-空间,部分地回答了Ceder在1961年提出的一个问......
In this note,we give some conditions concerning that the countably bi-quotient closed mappings, and the closed mappings ......