On a conjecture of Cox and Katz

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This note shows that a certain toric quotient of the quintic Calabi-Yau threefold in projective four-space provides a counterexample to a recent conjecture of Cox and Katz concerning nef cones of toric hypersurfaces.
Originally written in 1999. To appear in Math.Z

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Algebraic Geometry, 14J32, 14C34, 14M25

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http://salesiana.dossiersoluciones.com/handle/123456789/62404

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0110166
 http://arxiv.org/abs/math/0110166

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arXiv