109 urn:lsid:arphahub.com:pub:3dc5f44e-8666-58db-bc76-a455210e8891 JUCS - Journal of Universal Computer Science jucs 0948-695X 0948-6968 Journal of Universal Computer Science 10.3217/jucs-001-02-0131 27100 Research Article F.4.2 - Grammars and Other Rewriting Systems On Four Classes of Lindenmayerian Power Series Honkala Juha juha.honkala@utu.fi 1 Kuich Werner 2 Department of Mathematics University of Turku and Turku Centre for Computer Science (TUCS), Turku, Finland Department of Mathematics University of Turku and Turku Centre for Computer Science (TUCS) Turku Finland Institut fuer Algebra und Diskrete Mathematik, Technische Universität Wien, Vienna, Austria Institut fuer Algebra und Diskrete Mathematik, Technische Universität Wien Vienna Austria

Corresponding author: Juha Honkala (juha.honkala@utu.fi).

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1995 28 02 1995 1 2 131 135 572C0E48-CAAF-5F65-888B-3DF16E2166DA 6995064 Juha Honkala, Werner Kuich This article is freely available under the J.UCS Open Content License.

We show that nonzero axioms add to the generative capacity of Lindenmayerian series generating systems. On the other hand, if nonzero axioms are allowed, nonterminals do not, provided that only quasiregular series are considered.