The projective $\pi $-character bounds the order of a $\pi $-base

DOI10.1090/S0002-9939-08-09315-5zbMath1153.54002arXivmath/0703835OpenAlexW1678119246MaRDI QIDQ3518259

István Juhász, Zoltán Szentmiklóssy

Publication date: 7 August 2008

Published in: Proceedings of the American Mathematical Society (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/math/0703835

zbMATH Keywords

tightnesscardinal functioncaliberirreducible maporder of a \(\pi\)-baseprojective \(\pi\)-character

Mathematics Subject Classification ID

Cardinality properties (cardinal functions and inequalities, discrete subsets) (54A25) Base properties of topological spaces (54D70)

Related Items (1)

BOUNDING THE MINIMUM ORDER OF Aπ-BASE

Cites Work

• Unnamed Item
• Precalibers, monolithic spaces, first countability, and homogeneity in the class of compact spaces
• Free sequences
• Cardinal invariants in compact Hausdorff spaces
• First countable spaces without point-countable π-bases

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