Ruppert, Wolfgang A. F. On group topologies and idempotents in weak almost periodic compactifications. (English) Zbl 0689.22003 Semigroup Forum 40, No. 2, 227-237 (1990). Reviewer: K.H.Hofmann MSC: 22A15 22A05 43A60 20K45 × Cite Format Result Cite Review PDF Full Text: DOI EuDML
Lawson, Jimmie D.; Mislove, Michael Semilattices which must contain a copy of \(2^ N\). (English) Zbl 0564.06003 Semigroup Forum 32, 71-78 (1985). MSC: 06A12 22A26 43A10 × Cite Format Result Cite Review PDF Full Text: DOI EuDML