@UNPUBLISHED{IKW14,
author = {Israel, Arie and Krahmer, Felix and Ward, Rachel},
title = {An arithmetic-geometric mean inequality for products of three matrices},
note = {preprint},
year = {2014},
owner = {fkrahme},
timestamp = {2015.05.18},
url = {http://num.math.uni-goettingen.de/~f.krahmer/IKW14.pdf}
}