54XX 


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

54Cxx 

Maps and general types of spaces defined by maps 


54C05 
Continuous maps 


54C08 
Weak and generalized continuity 


54C10 
Special maps on topological spaces (open, closed, perfect, etc.) 


54C15 
Retraction 


54C20 
Extension of maps 


54C25 
Embedding 


54C30 
Realvalued functions [See also 26XX] 


54C35 
Function spaces [See also 46Exx, 58D15] 


54C40 
Algebraic properties of function spaces [See also 46J10] 


54C45 
$C$ and $C^*$embedding 


54C50 
Special sets defined by functions [See also 26A21] 


54C55 
Absolute neighborhood extensor, absolute extensor, absolute neighborhood retract (ANR), absolute retract spaces (general properties) [See also 55M15] 


54C56 
Shape theory [See also 55P55, 57N25] 


54C60 
Setvalued maps [See also 26E25, 28B20, 47H04, 58C06] 


54C65 
Selections [See also 28B20] 


54C70 
Entropy 


54C99 
None of the above, but in this section 