55Nxx Homology and cohomology theories [See also 57Txx]
- 55N05 Cech types
- 55N07 Steenrod-Sitnikov homologies
- 55N10 Singular theory
- 55N15 K-theory [See also 19Lxx] (For algebraic K-theory, see 18F25, 19- XXg 55N20 Generalized (extraordinary) homology and cohomology theories
-
55N22 Bordism and cobordism theories, formal group laws [See also 14L05, 19L41, 57R75, 57R77, 57R85, 57R90]
(1)
- 55N25 Homology with local coefficients, equivariant cohomology
- 55N30 Sheaf cohomology [See also 18F20, 32C35, 32L10]
- 55N32 Orbifold cohomology
- 55N33 Intersection homology and cohomology
- 55N34 Elliptic cohomology
- 55N35 Other homology theories
- 55N40 Axioms for homology theory and uniqueness theorems
- 55N45 Products and intersections
- 55N91 Equivariant homology and cohomology [See also 19L47]
- 55N99 None of the above, but in this section