| 18-XX |
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Category theory; homological algebra {For commutative rings, see 13Dxx; for associative rings, see 16Exx; for groups, see 20Jxx; for topological groups and related structures, see 57Txx; for algebraic topology, see also 55Nxx, 55Uxx} |
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18Bxx |
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Special categories |
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18B05 |
Categories of sets, characterizations [See also 03-XX] |
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18B10 |
Categories of spans/cospans, relations, or partial maps |
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18B15 |
Embedding theorems, universal categories [See also 18E20] |
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18B20 |
Categories of machines, automata [See also 03D05, 68Qxx] |
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18B25 |
Topoi [See also 03G30, 18F10] |
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18B35 |
Preorders, orders, domains and lattices (viewed as categories) [See also 06-XX] |
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18B40 |
Groupoids, semigroupoids, semigroups, groups (viewed as categories) [See also 20Axx, 20L05, 20Mxx] |
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18B50 |
Extensive, distributive, and adhesive categories |
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18B99 |
None of the above, but in this section |
