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< 19Gxx | 19-XX | 19Kxx >
19-XX $K$-theory [See also 16E20, 18F25]
19Jxx Obstructions from topology
19J05   Finiteness and other obstructions in $K_0$
19J10   Whitehead (and related) torsion
19J25   Surgery obstructions [See also 57R67]
19J35   Obstructions to group actions
19J99   None of the above, but in this section
< 19Gxx | 19-XX | 19Kxx >
American Mathematical Society