@misc{MehlMehrmannRanetal.2014, author = {Christian Mehl and Volker Mehrmann and Andre Ran and Leiba Rodman}, title = {Eigenvalue perturbation theory of structured real matrices and their sign characteristics under generic structured rank-one perturbations}, institution = {Technische Universit{\"a}t Berlin}, type = {preprintmatheon}, year = {2014}, }