19XX 


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

19Dxx 

Higher algebraic $K$theory 


19D06 
$Q$ and plusconstructions 


19D10 
Algebraic $K$theory of spaces 


19D23 
Symmetric monoidal categories [See also 18D10] 


19D25 
KaroubiVillamayorGersten $K$theory 


19D35 
Negative $K$theory, NK and Nil 


19D45 
Higher symbols, Milnor $K$theory 


19D50 
Computations of higher $K$theory of rings [See also 13D15, 16E20] 


19D55 
$K$theory and homology; cyclic homology and cohomology [See also 18G60] 


19D99 
None of the above, but in this section 