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Some further remarks on the family of finite index matrix languages. (English) Zbl 0422.68036


MSC:

68Q45 Formal languages and automata

Citations:

Zbl 0411.68062
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References:

[1] 1. B. BRAINERD, An Analog of a Theorem About Context-Free Languages, Inform. Control., Vol. 11, 1968, pp.561-568. Zbl0184.02601 MR229488 · Zbl 0184.02601
[2] 2. J. FRIŠ, Grammars with Partial Or dering of Rules, Inform. Control., Vol. 12, 1968, pp. 415-425. Zbl0172.30002 MR243952 · Zbl 0172.30002
[3] 3. S. GINSBURG and S. A. GREIBACH, Abstract Families of Languages in Studies in Abstract Families of Languages, Mem. Amer. Math. Soc, Vol. 87, 1969. Zbl0194.31402 MR255329 · Zbl 0194.31402
[4] 4. O. MAYER, Some Restrictive Devices for Context-Free Grammars, Inform. Control., Vol. 20, 1972, pp. 69-92. Zbl0248.68035 MR359412 · Zbl 0248.68035
[5] 5. E. NAVRATIL, Context-Free Grammars with Regular Conditions, Kybernetika, Vol. 2, 1970, pp. 118-126. Zbl0208.02002 MR278861 · Zbl 0208.02002
[6] Gh. PĂUN, On the Index of Grammars and Languages, Inform. Control., Vol. 35, 1977, pp. 259-266. Zbl0363.68107 MR468357 · Zbl 0363.68107
[7] Gh. PĂUN, On the Generative Capacity of Simple Matrix Grammars of Finite Index, Inform. Processing Letters, Vol. 7, No. 2, 1978, pp. 100-102. Zbl0392.68059 MR475007 · Zbl 0392.68059
[8] 8. Gh. PĂUN, On the Family of Matrix Languages of Finite Index, to appear in J. Comput. System Sc. Zbl0411.68062 · Zbl 0411.68062
[9] 9. Gh. PĂUN, On the Generative Capacity of Conditional Grammars, to appear in Inform. Control. Zbl0429.68065 MR553695 · Zbl 0429.68065
[10] 10. Gh. PĂUN, On Szilard’s Languages Associated to a Matrix Grammar, to appear in Inform. Processing Letters. Zbl0398.68032 · Zbl 0398.68032
[11] 11. A. SALOMAA, Formal Languages, Academic Press, New York and London, 1973. Zbl0262.68025 MR438755 · Zbl 0262.68025
[12] A. P. J. VAN DER WALT, Rondom Context Grammars, Symp. on Formal Languages, Oberwolfach, Germany, 1970. · Zbl 0221.68047
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