Alexander S. Kulikov, Sergey Savinov, Evgeniy Sluzhaev. Greedy Conjecture for Strings of Length 4. In Ferdinando Cicalese, Ely Porat, Ugo Vaccaro, editors, Combinatorial Pattern Matching - 26th Annual Symposium, CPM 2015, Ischia Island, Italy, June 29 - July 1, 2015, Proceedings. Volume 9133 of Lecture Notes in Computer Science, pages 307-315, Springer, 2015. [doi]
Abstract is missing.