Some properties of context free hyper-languages.
Đặng Huy Ruận, Phùng Văn Ổn · Journal of Computer Science and Cybernetics · 2013
In this paper we show some properties of context free languages with,infinitive words (we call context free hyper language) and its relation with pushdown automata.1. MO'DAU Co nhieu cong trlnh cua nhieu t ac gia nghien ciru ve lop ngon ngfr chinh quy v6i.t.ir vo han [sieu ngon ngii: chinh quy) da diro'c cong bo [1-3]).M<?teach t\!-•nhien nay sinh van de nghien ciru cac tinh chat lap ngon ngfr phi ngir canh v&i tir vo han [diroc goi Ia. sieu ngon ngjr phi ngir canh].Ciing da co m<?tso ket qua nghien ctru ve lap ngon ngir nay [4,5].Bai bao nay trlnh bay m<?t so ket qua ve van de neu tren, ...