Manoel B. Campêlo, Alexandre S. Freire, Phablo F. S. Moura, Yoshiko Wakabayashi. Convex recoloring: inapproximability and a polyhedral study. In Ekrem Duman, Ali Fuat Alkaya, editors, 13th Cologne Twente Workshop on Graphs and Combinatorial Optimization, Istanbul, Turkey, May 26-28, 2015. pages 117-120, 2015.
Abstract is missing.