σ-亚紧和σ-meso紧空间的σ-积
主要获得如下两个结果 :(1)设Χ =σ{Χα∶α∈A} ,如果X的每个有限子积是σ 亚紧的 ,则Χ是σ 亚紧的 ;(2 )设X =σ{Xα∶α∈A} ,如果X的每个有限子积是σ meso紧 (σ 序列meso紧 )的且Χ正规 ,则Χ是σ meso紧 (σ 序列meso紧 )的
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| Main Authors: | , |
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| Format: | Artigo |
| Language: | Inglês |
| Published: |
Editorial Department of Journal of Sichuan University (Natural Science Edition)
2001-01-01
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| Series: | 四川大学学报. 自然科学版 |
| Subjects: | |
| Online Access: | http://science.scu.edu.cn/thesisDetails?columnId=156425297&Fpath=home&index=0 |
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