20Mxx Semigroups ( 0 Dok. )

• 20M05 Free semigroups, generators and relations, word problems ( 0 Dok. )
• 20M07 Varieties of semigroups ( 0 Dok. )
• 20M10 General structure theory ( 0 Dok. )
• 20M11 Radical theory ( 0 Dok. )
• 20M12 Ideal theory ( 0 Dok. )
• 20M14 Commutative semigroups ( 0 Dok. )
• 20M15 Mappings of semigroups ( 0 Dok. )
• 20M17 Regular semigroups ( 0 Dok. )
• 20M18 Inverse semigroups ( 0 Dok. )
• 20M19 Orthodox semigroups ( 0 Dok. )
• 20M20 Semigroups of transformations, etc., See also {47D03, 47H20, 54H15} ( 0 Dok. )
• 20M25 Semigroup rings, multiplicative semigroups of rings, See also {16S36, 16Y60} ( 0 Dok. )
• 20M30 Representation of semigroups ( 0 Dok. )
• 20M35 Semigroups in automata theory, linguistics, etc., See Also {03D05, 68Qxx, 68S05} ( 0 Dok. )
• 20M50 Connections of semigroups with homological algebra and category theory ( 0 Dok. )
• 20M99 None of the above but in this section ( 0 Dok. )