Tight closure and projective bundles

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We formulate problems of tight closure theory in terms of projective bundles and subbundles. This provides a geometric interpretation of such problems and allows us to apply intersection theory to them. This yields new results concerning the tight closure of a primary ideal in a two-dimensional graded domain.
28 pages, to appear in Journal of Algebra

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Commutative Algebra, Algebraic Geometry, 14H60; 14J26; 13A35

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http://salesiana.dossiersoluciones.com/handle/123456789/65041

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0209300
 http://arxiv.org/abs/math/0209300
 J. Algebra 265 (2003), 45-78.

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arXiv