22Axx Topological and differentiable algebraic systems,
{For topological rings and fields, see 12Jxx, 13Jxx, 16W80; for dual spaces of operator algebras and topological groups, See 47D35}
- 22A05 Structure of general topological groups
- 22A10 Analysis on general topological groups
- 22A15 Structure of topological semigroups
- 22A20 Analysis on topological semigroups
- 22A22 Topological groupoids (including differentiable and Lie groupoids)
- 22A25 Representations of general topological groups and semigroups
- 22A26 Topological semilattices, lattices and applications, See also {06B30, 06B35, 06F30}
- 22A30 Other topological algebraic systems and their representations
- 22A99 None of the above but in this section
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