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zbMath0599.20090MaRDI QIDQ3734714

V. S. Krishnan

Publication date: 1984

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

zbMATH Keywords

regular semigroups adjoint functors equivalence of categories regular involution groupoids associativity law for quadruples full groupoids

Mathematics Subject Classification ID

Groupoids (i.e. small categories in which all morphisms are isomorphisms) (20L05) Semigroups (20M99)

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