54XX 


General topology {For the topology of manifolds of all dimensions, see 57Nxx} 

54Hxx 

Connections with other structures, applications 


54H05 
Descriptive set theory (topological aspects of Borel, analytic, projective, etc. sets) [See also 03E15, 26A21, 28A05] 


54H10 
Topological representations of algebraic systems [See also 22XX] 


54H11 
Topological groups [See also 22A05] 


54H12 
Topological lattices, etc. [See also 06B30, 06F30] 


54H13 
Topological fields, rings, etc. [See also 12Jxx} {For algebraic aspects, see 13Jxx, 16W80]} 


54H15 
Transformation groups and semigroups [See also 20M20, 22XX, 57Sxx] 


54H20 
Topological dynamics [See also 28Dxx, 37Bxx] 


54H25 
Fixedpoint and coincidence theorems [See also 47H10, 55M20] 


54H99 
None of the above, but in this section 