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The DOL-ness for context-free languages is decidable. (English) Zbl 0346.68033


MSC:

68Q45 Formal languages and automata
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References:

[1] Herman, G.; Rozenberg, G., Developmental Systems and Languages (1975), North-Holland · Zbl 0313.68068
[2] Salomaa, A., Formal Languages (1973), Academic Press · Zbl 0262.68025
[3] A. Salomaa, Comparative decision problems between sequential and parallel rewriting, Proc. Intern, Symp. Uniformly Structured Automata and Logic, Tokyo, August 21-23 (1975).; A. Salomaa, Comparative decision problems between sequential and parallel rewriting, Proc. Intern, Symp. Uniformly Structured Automata and Logic, Tokyo, August 21-23 (1975).
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