Zuzana Bednárová, Viliam Geffert. Two Double-Exponential Gaps for Automata with a Limited Pushdown. In Adrian Horia Dediu, Carlos Martín-Vide, José Luis Sierra-Rodríguez, Bianca Truthe, editors, Language and Automata Theory and Applications - 8th International Conference, LATA 2014, Madrid, Spain, March 10-14, 2014. Proceedings. Volume 8370 of Lecture Notes in Computer Science, pages 113-125, Springer, 2014. [doi]
Abstract is missing.