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zbMath1150.18304MaRDI QIDQ3500958

Juxiang Cai, Meizhu Lin, Qing-Hua Chen

Publication date: 3 June 2008

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

Galois covering free category with semigroup action skew category with semigroup action

Mathematics Subject Classification ID

Free semigroups, generators and relations, word problems (20M05) Connections of semigroups with homological algebra and category theory (20M50) Groupoids, semigroupoids, semigroups, groups (viewed as categories) (18B40)

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