Theorem 4.3 Let K be aσ-θ-complex with finite degree, K' is infinite compactification of K, then K' is S(n) - closed iff for each central filter point U ,N(U,2n-1)≥1.
定理4．3设K为度有限的σ-θ-复形，K'是K的无限远紧化，则K'是S(n)-闭的当且仅当对任意的中心滤子点u，有N(u，2n-1)≥1。
参考来源 - 一类拓扑空间σ·2,447,543篇论文数据，部分数据来源于NoteExpress
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