| 18-XX |
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Category theory; homological algebra For commutative rings see 13Dxx, for associative rings 16Exx, for groups 20Jxx, for topological groups and related structures 57Txx; see also for algebraic topology |
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18Gxx |
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Homological algebra [See also 13Dxx, 16Exx, 20Jxx, 55Nxx, 55Uxx, 57Txx] |
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18G05 |
Projectives and injectives [See also 13C10, 13C11, 16D40, 16D50] |
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18G10 |
Resolutions; derived functors [See also 13D02, 16E05, 18E25] |
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18G15 |
Ext and Tor, generalizations, Künneth formula [See also 55U25] |
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18G20 |
Homological dimension [See also 13D05, 16E10] |
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18G25 |
Relative homological algebra, projective classes |
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18G30 |
Simplicial sets, simplicial objects (in a category) [See also 55U10] |
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18G35 |
Chain complexes [See also 18E30, 55U15] |
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18G40 |
Spectral sequences, hypercohomology [See also 55Txx] |
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18G50 |
Nonabelian homological algebra |
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18G55 |
Homotopical algebra |
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18G60 |
Other (co)homology theories [See also 19D55, 46L80, 58J20, 58J22] |
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18G99 |
None of the above, but in this section |
