Mathematics Subject Classification 2000

13Axx General commutative ring theory ( 0 Dok. )

• 13A02 Graded rings ( 0 Dok. )
• 13A05 Divisibility ( 0 Dok. )
• 13A10 Radical theory ( 0 Dok. )
• 13A15 Ideals; multiplicative ideal theory ( 0 Dok. )
• 13A18 Valuations and their generalizations ( 0 Dok. )
• 13A30 Associated graded rings of ideals (Rees ring, form ring), analytic spread and related topics ( 0 Dok. )
• 13A35 Characteristic p methods (Frobenius endomorphism) and reduction to characteristic p ; tight closure ( 0 Dok. )
• 13A50 Actions of groups on commutative rings; invariant theory ( 0 Dok. )
• 13A99 None of the above, but in this section ( 0 Dok. )