Coarse topologies in nonstandard extensions via separative ultrafilters

zbMath0496.54040MaRDI QIDQ1170528

Paul Bankston

Publication date: 1983

Published in: Illinois Journal of Mathematics (Search for Journal in Brave)

zbMATH Keywords

Martin's axiomseparation propertiesTikhonov spacecoarse topologiesnonstandard extensionsomega 1-saturated extensionsseparative ultrafilters

Mathematics Subject Classification ID

Extensions of spaces (compactifications, supercompactifications, completions, etc.) (54D35) Cardinality properties (cardinal functions and inequalities, discrete subsets) (54A25) Higher separation axioms (completely regular, normal, perfectly or collectionwise normal, etc.) (54D15) Nonstandard topology (54J05) Nonstandard models (03H99)

Related Items (1)

Countably compact groups without non-trivial convergent sequences

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