Publications
- Regularity and context-freeness over word rewriting systems with Didier CAUCAL, 14th FOSSACS, LNCS 6604, 214-228 (2011).
- Path algorithms on regular graphs with Didier CAUCAL, 16th FCT, LNCS 4639, E. Csuhaj-Varjú, Z. Ésik (Eds.), 199-212 (2007).
- Le lemme de Parikh via les grammaires de graphes, Addendum Contributions of the 4th RIVF 2006, 13-18 (2006).
- Some classes of fuzzy operators with BUI Cong Cuong, PHAM Van Loi, PHAN Hoang Anh, presentation at 6th Vietnamese National Conference of Mathematics, Huê, (2002).
- Some properties of t-norms with threshold with BUI Cong Cuong, LE Ba Long, PHAM Van Loi, Proceedings of the Second Vietnam - Japan Symposium on Fuzzy Systems and Applications – VJFUZZY’2001, 28-33 (2001).
- T-norms with threshold in fuzzy logic with BUI Cong Cuong, TRAN Dai Hoan, LE Thanh Quang, Proceedings of the vietnamese national conference: Selected problems in information technology, Huê, 2000, 22-33 (2001, in vietnamese).