%0 Journal Article %T Matrix inequalities of Araki-Holder type %A Jean-Christophe Bourin %A Eun-Young Lee %J Mathematics %D 2015 %I arXiv %X Several matrix/operator inequalies are given. Most of them are unexpected extensions of the Araki Log-majorization theorem. The main technical tool is a two variables log-convex norm functional. %U http://arxiv.org/abs/1511.06977v1