Mathematical Sciences Classification System
55Nxx - Homology and cohomology theories
[See also 57Txx]
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55N05\v Cech types
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55N07Steenrod-Sitnikov homologies
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55N10Singular theory
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55N15
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55N20Generalized (extraordinary) homology and cohomology theories
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55N22
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55N25Homology with local coefficients, equivariant cohomology
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55N30
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55N32Orbifold cohomology
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55N33Intersection homology and cohomology
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55N34Elliptic cohomology
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55N35Other homology theories
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55N40Axioms for homology theory and uniqueness theorems
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55N45Products and intersections
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55N91Equivariant homology and cohomology [See also 19L47]
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55N99None of the above, but in this section