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On the separating power of EOL systems. (English) Zbl 0512.68059


MSC:

68Q45 Formal languages and automata
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References:

[1] 1. J. M. AUTEBERT, J. BEAUQUIER, L. BOASSON and M. NIVAT, Quelques problèmes ouverts en théorie des langages algébrique, RAIRO Informatique Théorique, vol. 13, 1979, p. 363-379. Zbl0434.68056 MR556958 · Zbl 0434.68056
[2] 2. J. BERSTEL, Sur les mots sans carré définis par un morphism, Lecture Notes in Computer Science, Springer-Verlag, vol. 71, 1979, p. 16-25. Zbl0425.20046 MR573232 · Zbl 0425.20046
[3] 3. D. R. BEAN, A. EHRENFEUCHT and G. F. MCNULTY, Avoidable patterns in strings of symbols, Pacific Journal of Mathematics, vol. 85, n^\circ 2, 1979, p. 261-294. Zbl0428.05001 MR574919 · Zbl 0428.05001
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[7] 7. G. ROZENBERG and A. SALOMAA, The mathematical theory of L System, Academic Press, London, New York, 1980. Zbl0508.68031 MR561711 · Zbl 0508.68031
[8] 8. A. SALOMAA, Morphisms on free monoids and language theory, in Book, R (ed.), Formal language theory: perspectives and open problems, Academic Press, London, New York, to appear.
[9] 9. A. SALOMAA, Jewels of formal language theory, Computer Press, Potomac, Md., to appear. MR618124 · Zbl 0487.68064
[10] 10. A. THUE, Ueber unendliche Zeichenreihen, Norsk. Vid. Selsk. Skr. I Mat.-Nat. Kl., n^\circ 7, 1906, p. 1-22. JFM39.0283.01 · JFM 39.0283.01
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