Derivation trees generated by context-free grammars with regular parallel control language are considered. The generating function of the derivation trees counted according to height and length of yield is rational and the asymptotic behaviour of the average height is of the form g(n).n, g(n) periodic and bounded.
CITATION STYLE
Kuich, W., Prodinger, H., & Urbanek, F. J. (1979). On the height of derivation trees. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 71 LNCS, pp. 370–384). Springer Verlag. https://doi.org/10.1007/3-540-09510-1_30
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