Semigroups in which all strongly summable ultrafilters are sparse

zbMath1257.54029MaRDI QIDQ713072

Neil Hindman, Juris Steprāns, Dona E. Strauss

Publication date: 25 October 2012

Published in: The New York Journal of Mathematics (Search for Journal in Brave)

Full work available at URL: http://www.emis.de/journals/NYJM/j/2012/18-42.html

zbMATH Keywords

Stone-Čech compactificationultrafilterssparsestrongly summable

Mathematics Subject Classification ID

Extensions of spaces (compactifications, supercompactifications, completions, etc.) (54D35) Applications of set theory (03E75) Ramsey theory (05D10) Special constructions of topological spaces (spaces of ultrafilters, etc.) (54D80)

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Using Ultrafilters to Prove Ramsey-type Theorems ⋮ Strongly productive ultrafilters on semigroups ⋮ A parametrized diamond principle and union ultrafilters

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