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

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

2002-05-20

arxiv.org/abs/math/0205212v2

Mathematics

Commutative Algebra

18 pages, LaTeX, some typos corrected

Scientific paper

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

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