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Context-free grammars with cancellation properties

โœ Scribed by Christiane Frougny


Book ID
107948538
Publisher
Elsevier Science
Year
1985
Tongue
English
Weight
605 KB
Volume
39
Category
Article
ISSN
0304-3975

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We consider simulating finite automata (both deterministic and nondeterministic) with context-free grammars in Chomsky normal form (CNF). We show that any unary DFA with n states can be simulated by a CNF grammar with O(n 1/3 ) variables, and this bound is tight. We show that any unary NFA with n st