2000Journal of Sichuan UniversityRequires access

ON INVERSE LIMITS OF WEAKLY REFINABLE SPACES

Zhu Pei

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Abstract

The author proved the following results: Let X= lim ←{X σ,π σ ρ,Σ} and every π σ be open and onto mapping,(1) if X is |Σ| paracompact and every X σ is normal and weakly refinable, then X is normal and weakly refinable; (2) if X is hereditarily |Σ| paracompact and every X σ is hereditarily normal and hereditarily weakly refinable, then X is hereditarily normal and hereditarily weakly refinable.

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What this paper is about

The author proved the following results: Let X= lim ←{X σ,π σ ρ,Σ} and every π σ be open and onto mapping,(1) if X is |Σ| paracompact and every X σ is normal and weakly refinable, then X is normal and weakly refinable; (2) if X is hereditarily |Σ| paracompact and every X σ is hereditarily normal and hereditarily weakly refinable, then X is hereditarily normal and hereditarily weakly refinable.

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Available abstract

The author proved the following results: Let X= lim ←{X σ,π σ ρ,Σ} and every π σ be open and onto mapping,(1) if X is |Σ| paracompact and every X σ is normal and weakly refinable, then X is normal and weakly refinable; (2) if X is hereditarily |Σ| paracompact and every X σ is hereditarily normal and hereditarily weakly refinable, then X is hereditarily normal and hereditarily weakly refinable.

Key concepts: Mathematics, Paracompact space, Inverse, Pure mathematics, Combinatorics, Geometry, Hausdorff space

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