Lattices generated by skeletons of reflexive polytopes

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Lattices generated by lattice points in skeletons of reflexive polytopes are essential in determining the fundamental group and integral cohomology of Calabi-Yau hypersurfaces. Here we prove that the lattice generated by all lattice points in a reflexive polytope is already generated by lattice points in codimension two faces. This answers a question of J. Morgan.
6 pages, 5 figures

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Combinatorics, Algebraic Geometry, 52B20

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http://salesiana.dossiersoluciones.com/handle/123456789/75887

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0507500
 http://arxiv.org/abs/math/0507500

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arXiv