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Given a graded sequence of ideals (a_m) on a smooth variety X, suppose that for every m we have a divisor E_m over X that computes the log canonical threshold of a_m, and such that the log discrepanc...
Valuations and asymptotic invariants for sequences of ideals
asymptotic invariants sequences
2010/11/22
We study asymptotic jumping numbers for graded sequences of ideals, and show that every such invariant is computed by a suitable real valuation of the function field. We conjecture that every valuati...
Let G be an arbitrary group with identity e, and let R be a G-graded commutative ring. Weakly prime ideals in a commutative ring with non-zero identity have been introduced and studied in [1]. Here we...
We study and characterize strongly prime right ideals in CS-rings.
Let R be a prime ring of characteristic 3, s and t automorphisms of R, U a non zero ( s, t) - Lie ideal of R, d a nonzero derivation of R such that sd = ds , td = dt,d(U) (bak) U, and d2(U) (bak) Z, t...
Let R be a prime ring, char R\neq 2,3 \, s, t : R\rightarrow R two automorphisms, U a nonzero (s, t)- Lie ideal of R and o\neq d : R\rightarrow R a derivation such that s d = ds, t d = dt. In this pap...