A1 Refereed original research article in a scientific journal
ON GENERALIZED ZETA-FUNCTIONS OF FORMAL LANGUAGES AND SERIES
Authors: HONKALA J
Publisher: ELSEVIER SCIENCE BV
Publication year: 1991
Journal: Discrete Applied Mathematics
Journal name in source: DISCRETE APPLIED MATHEMATICS
Journal acronym: DISCRETE APPL MATH
Volume: 32
Issue: 2
First page : 141
Last page: 153
Number of pages: 13
ISSN: 0166-218X
DOI: https://doi.org/10.1016/0166-218X(91)90097-G(external)
Abstract
We study generalized zeta functions of formal languages and series. We give necessary conditions for the rationality of the generalized zeta function. We show that it is decidable whether or not the (generalized) zeta function of a Q-algebraic series is a rational function. The same question is shown to be undecidable for context-free languages.
We study generalized zeta functions of formal languages and series. We give necessary conditions for the rationality of the generalized zeta function. We show that it is decidable whether or not the (generalized) zeta function of a Q-algebraic series is a rational function. The same question is shown to be undecidable for context-free languages.
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