Xu-Guang Li, Silviu-Iulian Niculescu, Arben Çela. Critical Simple Imaginary Characteristic Roots and Invariance Properties for Quasipolynomials: A Missing Link. In Emmanuel Witrant, Alexandre Seuret, Emilia Fridman, Olivier Sename, Luc Dugard, editors, 11th Workshop on Time-Delay Systems, TDS 2013, Grenoble, France, February 4-6, 2013. pages 126-131, International Federation of Automatic Control, 2013. [doi]
Abstract is missing.