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The normality of products under perfect preimages
Topology and its Applications ( IF 0.6 ) Pub Date : 2024-01-22 , DOI: 10.1016/j.topol.2024.108834 Lucas D. O'Brien
中文翻译:
完美原像下产品的正态性
更新日期:2024-01-26
Topology and its Applications ( IF 0.6 ) Pub Date : 2024-01-22 , DOI: 10.1016/j.topol.2024.108834 Lucas D. O'Brien
A proof of the following theorem is given, answering an open problem attributed to Kunen: suppose that T is compact and that Y is the image of X under a perfect map, X is normal, and is normal. Then is normal.
中文翻译:
完美原像下产品的正态性
给出了以下定理的证明,回答了 Kunen 提出的一个开放问题:假设T是紧的,Y是X在完美映射下的图像, X是正规的,并且是正常的。然后是正常的。