K. Subramani, Piotr J. Wojciechowski. A Graphical Theorem of the Alternative for UTVPI Constraints. In Martin Leucker, Camilo Rueda, Frank D. Valencia, editors, Theoretical Aspects of Computing - ICTAC 2015 - 12th International Colloquium Cali, Colombia, October 29-31, 2015, Proceedings. Volume 9399 of Lecture Notes in Computer Science, pages 328-345, Springer, 2015. [doi]
Abstract is missing.