When is tight closure determined by the test ideal?
Research paper by Janet C. Vassilev, Adela N. Vraciu
Indexed on: 10 Sep '08Published on: 10 Sep '08Published in: Mathematics - Commutative Algebra
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Abstract
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.