TUMOR 发表于 2025-3-21 19:08:55
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Overview: 978-0-7923-2974-9978-1-4899-3795-7Abduct 发表于 2025-3-22 03:31:33
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https://doi.org/10.1007/978-1-4899-3795-7Coproduct; inequality; mathematicsMonotonous 发表于 2025-3-22 12:36:41
http://reply.papertrans.cn/31/3093/309240/309240_5.png兽群 发表于 2025-3-22 16:24:38
Jeremy T. Kerr,Manisha Kulkarni,Adam Algar is that any open covering of the space contains a finite subfamily the closures of the elements of which cover the space. A regular .-closed space is compact. If every closed subspace of a space is .-closed, then the space itself is compact. A theory has been developed for .-closed extensions of Hausdorff spaces.兽群 发表于 2025-3-22 20:44:03
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H, is that any open covering of the space contains a finite subfamily the closures of the elements of which cover the space. A regular .-closed space is compact. If every closed subspace of a space is .-closed, then the space itself is compact. A theory has been developed for .-closed extensions of Hausdorff spaces.Exaggerate 发表于 2025-3-23 02:06:30
Goran Andonovski,Sašo Blažič,Igor Škrjanc . - A set-theoretic operation, the result of its application to a sequence (. .) of sets can be noted thus:. where . is a system of sets of positive integers, called the . δ-σ. See ..潜伏期 发表于 2025-3-23 07:02:28
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