Full Lindenmayer-AFL's and Related Language Families

P.R.J. Asveld

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    Abstract

    We establish a Canonical Form for the least full $R_Y$-AFL containing $Sub(K_1,K_2)$. From a well-known characterization of the families EOL and ETOL due to Ehrenfeucht & Rozenberg (1974, 1974a) we obtain Salomaa's (1973) result on the full Lindenmayer-AFL's $Sub(K,OL)$ and $Sub(K,TOL)$. The characterization of the hyper-algebraic extension in terms of the hyper-sentensial extension, established by Van Leeuwen & Wood (1976), also yields full Lindenmayer-AFL's in a similar way. For full hyper(1)-AFL's we prove a Canonical Form, and we conclude this note with a few remarks on canonical forms.
    Original languageUndefined
    Place of PublicationEnschede
    PublisherUniversity of Twente, Department of Applied Mathematics
    Number of pages13
    Publication statusPublished - 1976

    Keywords

    • EWI-3698
    • HMI-SLT: Speech and Language Technology

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