19XX 


$K$theory [See also 16E20, 18F25] 

19Lxx 

Topological $K$theory [See also 55N15, 55R50, 55S25] 


19L10 
RiemannRoch theorems, Chern characters 


19L20 
$J$homomorphism, Adams operations [See also 55Q50] 


19L41 
Connective $K$theory, cobordism [See also 55N22] 


19L47 
Equivariant $K$theory [See also 55N91, 55P91, 55Q91, 55R91, 55S91] 


19L50 
Twisted $K$theory; differential $K$theory 


19L64 
Computations, geometric applications 


19L99 
None of the above, but in this section 