Free Access
Issue
RAIRO. Inform. théor.
Volume 17, Number 3, 1983
Page(s) 205 - 230
DOI https://doi.org/10.1051/ita/1983170302051
Published online 01 February 2017
  1. 1. J. ALBERT, K. CULIK II and J. KARHUMAKI, Tests Sets for Context Free Languages and Systems of Equations Over a Free Monoid, Information and Control, Vol. 52, 1982, pp. 172-186. [MR: 701592] [Zbl: 0522.68064]
  2. 2. K. CULIK II, The Ultimate Equivalence Problemfor DOL Systems, Acta Informatica, Vol. 10, 1978, pp. 79-84. [MR: 495230] [Zbl: 0385.68060]
  3. 3. K. CULIK II, Homomorphisms: Decidability, Equality and Test Sets, in R. BOOK, Ed., Formal Language Theory, Perspectives and Open Problems, Academic Press, New York, 1980.
  4. 4. K. CULIK II, On the Decidability of the Séquence Equivalence Problem for DOL Systems, Theor. Comp. Science, Vol. 3, 1977, pp. 75-84. [MR: 495228] [Zbl: 0352.68103]
  5. 5. K. CULIK II and J. KARHUMAKI, Systems of Equations Over a Free Monoid and Ehrenfeucht's Conjecture, Discrete Mathematics, Vol. 43, 1983, pp. 139-153. [MR: 685623] [Zbl: 0528.68057]
  6. 6. K. CULIK II and A. SALOMAA, On the Decidability of Homomorphism Equivalence for Languages, J. Comput. Systems Sc., Vol. 17, 1978, pp. 163-175. [MR: 514269] [Zbl: 0389.68042]
  7. 7. K. CULIK II and A SALOMAA, Test Sets and Checking Words for Homomorphism Equivalence, J. Comput. Systems Sc., Vol. 21, 1980, pp. 379-395. [MR: 584866] [Zbl: 0451.68046]
  8. 8. S. EILENBERG and M. P. SCHÜTZENBERGER, Rational Sets in Commutative Monoids, J. of Algebra, Vol. 13, 1969, pp. 173-191. [MR: 246985] [Zbl: 0206.02703]
  9. 9. M. A. HARRISON, Introduction to Formal Language Theory, Addison-Wesley, Reading, Massachusetts, 1978. [MR: 526397] [Zbl: 0411.68058]
  10. 10. J. KARHUMÄKI and I. SIMON, A Note on Elementary Homomorphisms and the Regularity of Equality Sets, EATCS Bulletin, Vol. 9, 1979, pp. 16-24.
  11. 11. M.KARPINSK, Ed., New Scottish Book of Problems, in preparation.
  12. 12. A. MANDEL and I. SIMON, On Finite Semigroups of Matrices, Theor. Comp. Science, Vol. 5, 1977, pp. 101-111. [MR: 473070] [Zbl: 0368.20049]
  13. 13. G. ROZENBERG and A. SALOMAA, The Mathematical Theory of L Systems. Academic Press, New York, 1980. [MR: 561711] [Zbl: 0508.68031]
  14. 14. A. SALOMAA and M. SOITTOLA, Automata-Theoretic Aspects of Formal Power Series, Springer Verlag, New York, 1978. [MR: 483721] [Zbl: 0377.68039]

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