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Centered Bases, Nested Bases, and Completability of Aronszajn Spaces
Published online by Cambridge University Press: 20 November 2018
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Definition. [1] A base B for the topology of a space S is centered provided every perfectly decreasing filterbase F in B is regular and either F is free or F converges. A centered base which contains no free perfectly decreasing filterbase is said to be complete.
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- Copyright © Canadian Mathematical Society 1978
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