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More about Collins-Roscoe property in function spaces

机译:有关函数空间中Collins-Roscoe属性的更多信息

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A space X is a Collins-Roscoe space if it has a countable point network satisfying the Collins-Roscoe structuring mechanism. In this article, we introduce a new property on the subspaces of product spaces called the minimal continuous factorization (MCF) property. We prove that if a subspace Y of the topological product of a family of cosmic spaces has the countable MCF property, then C-p (Y) has the Collins-Roscoe property, hence it is meta-Lindelof. We also prove that, if X is a sigma-compact metric space, then C-p(X) satisfies sigma-finite (F). (C) 2017 Elsevier B.V. All rights reserved.
机译:如果空间X具有满足Collins-Roscoe结构化机制的可数点网络,则它是Collins-Roscoe空间。在本文中,我们在乘积空间的子空间上引入了一个称为最小连续分解(MCF)属性的新属性。我们证明,如果宇宙空间族的拓扑积的子空间Y具有可数的MCF属性,则C-p(Y)具有Collins-Roscoe属性,因此它是meta-Lindelof。我们还证明,如果X是sigma-compact度量空间,则C-p(X)满足sigma-limit(F)。 (C)2017 Elsevier B.V.保留所有权利。

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