Vol. 4 No. 2 (1979)

Regular articles

• Some remarks on the chromatic number of the strong product of graphs

  Katalin Vesztergombi

  207-212

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• Use of Petri nets for performance evaluation

  J. Sifakis

  185-202

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• The solvability of the equivalence problem for deterministic frontier-to-root tree transducers

  Z. Zachar

  167-177

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• On Sperner families in which no 3 sets have an empty intersection

  Hans-Dietrich O. F. Gronau

  213-220

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• Strongly connected digraphs in which each edge is contained in exactly two cycles

  B. Zelinka

  203-205

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• A note on deadlocks

  Zoltán Laborczi

  179-184

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• A possible new model of neurons and neural processes based on the quantum-mechanical theory of measurement

  Ferenc Jólesz, M. Szilágyi

  221-239

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• On some types of incompletely specified automata

  M. K. Chirkov

  151-165

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