The h-vector of a ladder determinantal ring cogenerated by 2x2 minors is log-concave
Commutative Algebra
2007-05-23 v2 Algebraic Geometry
Combinatorics
Abstract
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
Cite
@article{arxiv.math/0205212,
title = {The h-vector of a ladder determinantal ring cogenerated by 2x2 minors is log-concave},
author = {Martin Rubey},
journal= {arXiv preprint arXiv:math/0205212},
year = {2007}
}
Comments
18 pages, LaTeX, some typos corrected