The h-vector of a ladder determinantal ring cogenerated by 2x2 minors is log-concave

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We show that the h-vector of a ladder determinantal ring cogenerated by M=[u_1|v_1] is log-concave. Thus we prove an instance of a conjecture of Stanley, resp. Conca and Herzog
18 pages, LaTeX, some typos corrected

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Commutative Algebra, Algebraic Geometry, Combinatorics, 05A20, 13C40

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http://salesiana.dossiersoluciones.com/handle/123456789/64109

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/0205212
 http://arxiv.org/abs/math/0205212

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arXiv