20Fxx Special aspects of infinite or finite groups
- 20F05 Generators, relations, and presentations
- 20F06 Cancellation theory; application of van Kampen diagrams, See also {57M05}
- 20F10 Word problems, other decision problems, connections with logic and automata, See also {03B25, 03D05, 03D40, 06B25, 08A50, 68Qxx}
- 20F12 Commutator calculus
- 20F14 Derived series, central series, and generalizations
- 20F16 Solvable groups, supersolvable groups
- 20F17 Formations of groups, Fitting classes, See also {20D10}
- 20F18 Nilpotent groups
- 20F19 Generalizations of solvable and nilpotent groups
- 20F22 Other classes of groups defined by subgroup chains
- 20F24 FC-groups and their generalizations
- 20F28 Automorphism groups of groups, See also {20E36}
- 20F29 Representations of groups as automorphism groups of algebraic systems
- 20F32 Geometric group theory, See also {05C25, 20Exx, 20Gxx}
- 20F34 Fundamental groups and their automorphisms, See Also {57M05, 57Sxx, 22E40}
- 20F36 Braid groups; Artin groups
- 20F38 Other groups related to topology or analysis
- 20F40 Associated Lie structures
- 20F45 Engel conditions
- 20F50 Periodic groups; locally finite groups
- 20F55 Coxeter groups, See also {22E40}
- 20F60 Ordered groups See mainly{06F15}
- 20F99 None of the above but in this section
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