@article{CRMATH_2010__348_15-16_843_0, author = {Borcea, Julius and Br\"and\'en, Petter}, title = {Hyperbolicity preservers and majorization}, journal = {Comptes Rendus. Math\'ematique}, pages = {843--846}, year = {2010}, publisher = {Elsevier}, volume = {348}, number = {15-16}, doi = {10.1016/j.crma.2010.07.006}, language = {en}, url = {https://www.numdam.org/articles/10.1016/j.crma.2010.07.006/} }