The Existence of Almost Translation Invariant Ultrafilters on Any Semigroup

DOI10.2307/2047678zbMath0731.54002OpenAlexW4243417387MaRDI QIDQ3357063

Talin Papazyan

Publication date: 1989

Full work available at URL: https://doi.org/10.2307/2047678

zbMATH Keywords

Graham-Rothschild conjecturealmost translation invariant ultrafilter

Mathematics Subject Classification ID

Cardinality properties (cardinal functions and inequalities, discrete subsets) (54A25) Structure of topological semigroups (22A15)

Related Items (4)

A combinatorial proof of a stronger dense Hindman theorem ⋮ Idempotent ultrafilters without Zorn’s Lemma ⋮ Filters and semigroup properties ⋮ Extremal topologies on a semigroup

Cites Work

• Finite sums from sequences within cells of a partition of N
• Filters and the Weak Almost Periodic Compactification of a Discrete Semigroup
• Ultrafilters: Some old and some new results
• The Existence of Certain Ultrafilters on N and a Conjecture of Graham and Rothschild
• Unnamed Item

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