22XX 


Topological groups, Lie groups {For transformation groups, see 54H15, 57Sxx, 58XX. For abstract harmonic analysis, see 43XX} 

22Axx 

Topological and differentiable algebraic systems {For topological rings and fields, see 12Jxx, 13Jxx, 16W80} 


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) [See also 58H05] 


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 