Mathematical Sciences Classification System
16Exx - Homological methods
{For commutative rings, see 13Dxx; for general categories, see 18Gxx}
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16E05Syzygies, resolutions, complexes
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16E10Homological dimension
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16E20
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16E30Homological functors on modules (Tor, Ext, etc.)
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16E35Derived categories
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16E40(Co)homology of rings and algebras (e.g. Hochschild, cyclic, dihedral, etc.)
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16E45Differential graded algebras and applications
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16E50von Neumann regular rings and generalizations
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16E60Semihereditary and hereditary rings, free ideal rings, Sylvester rings, etc.
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16E65Homological conditions on rings (generalizations of regular, Gorenstein, Cohen-Macaulay rings, etc.)
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16E99None of the above, but in this section