Algebraic topology 6 Topologie algébrique 4 Topología algebraica 4 Algebra 2 MATHEMATICS 2 $K$-theory [See also 16E20, 18F25] -- Higher algebraic $K$-theory -- $K$-theory and homology; cyclic homology and cohomology [See also 18G60] 1 $K$-theory [See also 16E20, 18F25] -- Higher algebraic $K$-theory -- Algebraic $K$-theory of spaces 1 $K$-theory [See also 16E20, 18F25] -- Topological $K$-theory [See also 55N15, 55R50, 55S25] -- Connective $K$-theory, cobordism [See also 55N22] 1 Algebraic number theory 1 Algebraic topology -- Homotopy theory {For simple homotopy type, see 57Q10} -- Spectra with additional structure ($E_\infty$, $A_\infty$, ring spectra, etc.) 1 Algebraische Topologie 1 Cobordism theory 1 Cobordismo, Teoría de 1 Cohomologie galoisienne 1 Endliche Gruppe 1 Finite groups 1 Galois cohomology 1 Galois theory 1 General 1 Group theory 1 Groupes finis 1 Grupos finitos 1 Homologie 1 Homología, Teoría de 1 Homology theory 1 Intermediate 1 K-theory 1 K-théorie 1 Números, Teoría de 1 Representations of algebras 1