55Nxx Homology and cohomology theories, See also {57Txx} ( 0 Dok. )

• 55N05 Cech types ( 0 Dok. )
• 55N07 Steenrod-Sitnikov homologies ( 0 Dok. )
• 55N10 Singular theory ( 0 Dok. )
• 55N15 $K$-theory, See also {19Lxx}, {For algebraic $K$-theory, See 18F25, 19-XX} ( 0 Dok. )
• 55N20 Generalized (extraordinary) homology and cohomology theories ( 0 Dok. )
• 55N22 Bordism and cobordism theories, formal group laws, See also {14L05, 19L41, 57R75, 57R77, 57R85, 57R90} ( 0 Dok. )
• 55N25 Homology with local coefficients, equivariant cohomology ( 0 Dok. )
• 55N30 Sheaf cohomology, See also {18F20, 32C35, 32L10} ( 0 Dok. )
• 55N33 Intersection homology and cohomology ( 0 Dok. )
• 55N35 Other homology theories ( 0 Dok. )
• 55N40 Axioms for homology theory and uniqueness theorems ( 0 Dok. )
• 55N45 Products and intersections ( 0 Dok. )
• 55N91 Equivariant homology and cohomology, See also {19L47} ( 0 Dok. )
• 55N99 None of the above but in this section ( 0 Dok. )