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13Axx - General commutative ring theory
| 13A02 |
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Graded rings |
| 13A05 |
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Divisibility |
| 13A10 |
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Radical theory |
| 13A15 |
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Ideals; multiplicative ideal theory |
| 13A18 |
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Valuations and their generalizations |
| 13A30 |
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Associated graded rings of ideals (Rees ring, form ring), analytic spread and related topics |
| 13A35 |
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Characteristic $p$ methods (Frobenius endomorphism) and reduction to characteristic $p$; tight closure |
| 13A50 |
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Actions of groups on commutative rings; invariant theory |
| 13A99 |
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Miscellaneous |
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