Toric singularities revisited

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In [Kat94b], Kato defined his notion of a log regular scheme and studied the local behavior of such schemes. A toric variety equipped with its canonical logarithmic structure is log regular. And, these schemes allow one to generalize toric geometry to a theory that does not require a base field. This paper will extend this theory by removing normality requirements.
new longer introduction, other minor improvements, 35 pages

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Commutative Algebra, Algebraic Geometry, 14M25 (primary); 20M25 (secondary)

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http://salesiana.dossiersoluciones.com/handle/123456789/67627

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0305441
 http://arxiv.org/abs/math/0305441

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arXiv