13-XX |
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Commutative algebra |
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13Axx |
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General commutative ring theory |
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13A02 |
Graded rings [See also 16W50] |
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13A05 |
Divisibility and factorizations in commutative rings [See also 13F15] |
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13A15 |
Ideals and multiplicative ideal theory in commutative rings |
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13A18 |
Valuations and their generalizations for commutative rings [See also 12J20] |
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13A30 |
Associated graded rings of ideals (Rees ring, form ring), analytic spread and related topics |
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13A35 |
Characteristic $p$ methods (Frobenius endomorphism) and reduction to characteristic $p$; tight closure [See also 13B22] |
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13A50 |
Actions of groups on commutative rings; invariant theory [See also 14L24] |
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13A70 |
General commutative ring theory and combinatorics (zero-divisor graphs, annihilating-ideal graphs, etc.) [See also 05C25, 05E40] |
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13A99 |
None of the above, but in this section |