Marxen, Donald The topology of the free topological semigroup. (English) Zbl 0287.22004 Colloq. Math. 34, 7-16 (1975). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page MSC: 22A15 Structure of topological semigroups 22A25 Representations of general topological groups and semigroups 20M05 Free semigroups, generators and relations, word problems PDFBibTeX XMLCite \textit{D. Marxen}, Colloq. Math. 34, 7--16 (1975; Zbl 0287.22004) Full Text: DOI