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

2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/64109We 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 Herzog18 pages, LaTeX, some typos correctedCommutative AlgebraAlgebraic GeometryCombinatorics05A20, 13C40The h-vector of a ladder determinantal ring cogenerated by 2x2 minors is log-concavetext