Mathematical Sciences Classification System
13Dxx - Homological methods
{For noncommutative rings, see 16Exx; for general categories, see 18Gxx}
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13D02Syzygies, resolutions, complexes
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13D03(Co)homology of commutative rings and algebras (e.g., Hochschild, André-Quillen, cyclic, dihedral, etc.)
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13D05Homological dimension
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13D07Homological functors on modules (Tor, Ext, etc.)
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13D09Derived categories
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13D10
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13D15
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13D22Homological conjectures (intersection theorems)
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13D25Complexes
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13D30
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13D40Hilbert-Samuel and Hilbert-Kunz functions; Poincaré series
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13D45Local cohomology [See also 14B15]
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13D99None of the above, but in this section