Solution of a decision problem concerning unary Lindenmayer systems. (English) Zbl 0287.68051


68Q45 Formal languages and automata
Full Text: DOI


[1] Herman, G. T.; Lee, K. P.; van Leeuwen, J.; Rosenberg, G., Characterization of unary developmental languages, Discrete Math., 6, 235-247 (1973) · Zbl 0279.68062
[2] Salomaa, A., Theorems on the representation of events in Moore-automata, Ann. Univ. Turku. Ser. AI, 69 (1964) · Zbl 0124.00501
[3] Salomaa, A., Formal Languages (1973), Academic Press: Academic Press New York · Zbl 0262.68025
[4] Salomaa, A., On sentential forms of context-free grammars, Acta Informatica, 2, 40-49 (1973) · Zbl 0264.68029
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