When is tight closure determined by the test ideal?

Autor:	Vassilev, Janet C., Vraciu, Adela N.
Rok vydání:	2008
Předmět:	Mathematics - Commutative Algebra
Druh dokumentu:	Working Paper
Popis:	We characterize the rings in which the equality $(\tau I:\tau)= I^*$ holds for every ideal $I \subset R$. Under certain assumptions, these rings must be either weakly F-regular or one-dimensional.
Databáze:	arXiv
Externí odkaz:	http://arxiv.org/abs/0809.1891 Zobrazit plný text záznamu View this record from Arxiv