19Kxx

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19Kxx $K$-theory and operator algebras [See mainly 46L80, and also 46M20] {Info & Stats}

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• 19K14 $K_0$ as an ordered group, traces
• 19K33 EXT and $K$-homology [See also 55N22]
• 19K35 Kasparov theory ($KK$-theory) [See also 58J22]
• 19K56 Index theory [See also 58J20, 58J22]
• 19K99 None of the above, but in this section