Florent Foucaud, Reza Naserasr. The Complexity of Homomorphisms of Signed Graphs and Signed Constraint Satisfaction. In Alberto Pardo, Alfredo Viola, editors, LATIN 2014: Theoretical Informatics - 11th Latin American Symposium, Montevideo, Uruguay, March 31 - April 4, 2014. Proceedings. Volume 8392 of Lecture Notes in Computer Science, pages 526-537, Springer, 2014. [doi]
Abstract is missing.