22XX 


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

22Fxx 

Noncompact transformation groups 


22F05 
General theory of group and pseudogroup actions {For topological properties of spaces with an action, see 57S20} 


22F10 
Measurable group actions [See also 22D40, 28Dxx, 37Axx] 


22F30 
Homogeneous spaces {For general actions on manifolds or preserving geometrical structures, see 57M60, 57Sxx; for discrete subgroups of Lie groups, see especially 22E40} 


22F50 
Groups as automorphisms of other structures 


22F99 
None of the above, but in this section 