Bounding Betti numbers of bipartite graph ideals

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We prove a conjectured lower bound of Nagel and Reiner on Betti numbers of edge ideals of bipartite graphs.

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Commutative Algebra

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http://salesiana.dossiersoluciones.com/handle/123456789/164625

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0807.1540
 http://arxiv.org/abs/0807.1540

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arXiv