Tight closure and plus closure for cones over elliptic curves
Commutative Algebra
2007-05-23 v2 Algebraic Geometry
Abstract
We characterize the tight closure of graded primary ideals in a homogeneous coordinate ring over an elliptic curve by numerical conditions and we show that it is in positive characteristic the same as the plus closure.
Keywords
Cite
@article{arxiv.math/0209302,
title = {Tight closure and plus closure for cones over elliptic curves},
author = {Holger Brenner},
journal= {arXiv preprint arXiv:math/0209302},
year = {2007}
}
Comments
Some minor changes