2002Journal of Sichuan Normal UniversityRequires access

Inverse Limits in Weakly -refinable Spaces

Zejun Li

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Abstract

This paper proves 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

This paper proves 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

This paper proves 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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