Optimal Betti numbers of forest ideals

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We prove a tight lower bound on the Betti numbers of tree and forest ideals and a tight upper bound on certain graded Betti numbers of squarefree monomial ideals.

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Commutative Algebra

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http://salesiana.dossiersoluciones.com/handle/123456789/168116

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0809.0156
 http://arxiv.org/abs/0809.0156

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arXiv