Free groups in \(\beta\) N which miss the minimal ideal

DOI10.1007/BF02573136zbMath0652.22003MaRDI QIDQ1106955

Amha Tume Lisan

Publication date: 1988

Published in: Semigroup Forum (Search for Journal in Brave)

Full work available at URL: https://eudml.org/doc/134927

zbMATH Keywords

idempotentsminimal idealStone-Cech compactification

Mathematics Subject Classification ID

Structure of topological semigroups (22A15)

Related Items (10)

Subsemigroups of \(\beta\mathbb{N}\) ⋮ Oids, finite sums and the structure of the Stone-Čech compactification of a discrete semigroup ⋮ Homomorphisms, ideals and commutativity in the Stone-Čech compactification of a discrete semigroup ⋮ A construction of a compact right topological semigroup ⋮ Does \(N^*\) contain a topological and algebraic copy of \(\beta N\)? ⋮ Endomorphic actions of \(\beta{} {\mathbb{N}{}}\) on the torus group ⋮ Semigroup structures on \(\beta\mathbb{N}\) ⋮ Strongly summable ultrafilters on \({\mathbb{N}}\) and small maximal subgroups of \(\beta\) \({\mathbb{N}}\) ⋮ Ultrafilters on a discrete set with two binary operations ⋮ The research of thirteen students at Howard university

Cites Work

• Unnamed Item
• Free groups and semigroups in \(\beta\) N
• The ideal structure of the space of \(\kappa\)-uniform ultrafilters on a discrete semigroup
• Minimal ideals and cancellation in beta(N)
• Compact right topological semigroups and generalizations of almost periodicity
• On Strongly Summable Ultrafilters and Union Ultrafilters

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