Lars Engebretsen, Jonas Holmerin, Alexander Russell. Inapproximability Results for Equations over Finite Groups. In Peter Widmayer, Francisco Triguero Ruiz, Rafael Morales Bueno, Matthew Hennessy, Stephan Eidenbenz, Ricardo Conejo, editors, Automata, Languages and Programming, 29th International Colloquium, ICALP 2002, Malaga, Spain, July 8-13, 2002, Proceedings. Volume 2380 of Lecture Notes in Computer Science, pages 73-84, Springer, 2002. [doi]
Abstract is missing.