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On the subword complexity of square-free DOL languages. (English) Zbl 0481.68073


MSC:

68Q45 Formal languages and automata
68Q25 Analysis of algorithms and problem complexity
68Q42 Grammars and rewriting systems
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[1] Berstel, J., Sur les mots sans carré définis par un morphisme, (Lecture Notes in Computer Science, 71 (1979), Springer: Springer Berlin), 16-25 · Zbl 0425.20046
[2] Berstel, J., Mots sans carré et morphismes iterés, Discrete Math., 29, 3, 235-244 (1979) · Zbl 0444.20050
[3] Brzozowski, J. A.; Culik, K.; Gabrielian, A., Classification of noncounting events, J. Comput. System Sci., 5, 41-53 (1971) · Zbl 0241.94050
[4] Ehrenfeucht, A.; Lee, K. P.; Rozenberg, G., Subword complexities of various classes of deterministic developmental languages without interactions, Theoret. Comput. Sci., 1, 59-76 (1975) · Zbl 0316.68043
[5] Ehrenfeucht, A.; Rozenberg, G., On the structure of polynomially bounded DOL systems, Fund. Informaticae, 2, 187-197 (1979) · Zbl 0452.68075
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[8] Istrail, S., On irreducible languages and nonrational numbers, Bull. Soc. Math. Roumanie, 21, 301-308 (1977) · Zbl 0374.68053
[9] Rozenberg, G.; Salomaa, A., The Mathematical Theory of L Systems (1980), Academic Press: Academic Press New York · Zbl 0365.68072
[10] A. Salomaa, Morphisms on free monoids and language theory, in: R. Book, Ed., Formal Language Theory: Perspectives and Open Problems; A. Salomaa, Morphisms on free monoids and language theory, in: R. Book, Ed., Formal Language Theory: Perspectives and Open Problems
[11] Thue, A., Über unendliche zeichenreihen, Norske Vid. Selsk. Skr. I Mat.-Nat. Kl., 7, 1-22 (1906) · JFM 39.0283.01
[12] Thue, A., Über die gegenseitige lage gleicher teile gewisser zeichenreichen, Norske Vid. Selsk. Skr. I Mat.-Nat. Kl., 1, 1-67 (1912) · JFM 44.0462.01
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