$k$-theory $k$-theoryandoperatoralgebras 14a2218d5019k3519l4719l5020f1046l5553d5558b3481r60 algebraicgeometry analysisonmanifolds categorieswithstructure categorytheory;homologicalalgebra commutativealgebra congresses contactgeometry deformationquantization differentialgeometry equivariant$k$-theory foundations functionalanalysis globalanalysis groupsandalgebrasinquantumtheory grouptheoryandgeneralizations infinite-dimensionalmanifolds kasparovtheory($kk$-theory) noncommutativealgebraicgeometry noncommutativedynamicalsystems noncommutativegeometry noncommutativegeometry(àlaconnes) operads otherdecisionproblems quantumtheory selfadjointoperatoralgebras($c^*$-algebras specialaspectsofinfiniteorfinitegroups starproducts symplecticgeometry topological$k$-theory twisted$k$-theory;differential$k$-theory vonneumann($w^*$-)algebras wordproblems