A formula for the core of an ideal

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The core of an ideal is the intersection of all its reductions. For large classes of ideals I we explicitly describe the core as a colon ideal of a power of a single reduction and a power of I.
to appear in Math. Ann

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Commutative Algebra, Algebraic Geometry, 13B22, 13A30, 13B21, 13C40,13H10

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http://salesiana.dossiersoluciones.com/handle/123456789/72890

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0410340
 http://arxiv.org/abs/math/0410340
 doi:10.1007/s00208-004-0560-z

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arXiv