局部D-空间

J4 ›› 2010, Vol. 45 ›› Issue (4): 72-73.

吴家超¹，许玉铭²

WU Jia-chao¹， XU Yu-ming²

1. Department of Mathematics, Sichuan University, Chengdu 610064， Sichuan, China;
2. School of Mathematics, Shandong University, Jinan 250100， Shandong, China

摘要：

证明了不仅有限个闭的局部D-空间的并是局部D-空间,而且局部有限并也是局部D-空间。连续闭映射,完备映射均能保持局部D-空间。

吴家超1，许玉铭2. 局部D-空间[J]. J4, 2010, 45(4): 72-73.

WU Jia-chao1， XU Yu-ming2. Locally D-space[J]. J4, 2010, 45(4): 72-73.

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