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13-XX Commutative rings and algebras → ZMATH

13Axx General commutative ring theory → ZMATH

13A02 Graded rings [See also 16W50] → ZMATH

13A05 Divisibility → ZMATH

13A10 Radical theory → ZMATH

13A15 Ideals; multiplicative ideal theory → ZMATH

13A18 Valuations and their generalizations [See also 12J20] → ZMATH

13A30 Associated graded rings of ideals (Rees ring, form ring), analytic spread and related topics → ZMATH

13A35 Characteristic $p$ methods (Frobenius endomorphism) and reduction to characteristic $p$; tight closure [See also 13B22] → ZMATH

13A50 Actions of groups on commutative rings; invariant theory [See also 14L24] → ZMATH

13A99 None of the above, but in this section → ZMATH