Regeneration in IL systems

We study the minimum size of context needed to regenerate a fixed word by a propagating DIL system without using extra symbols. It is proven that the size of context depends on the maximum length of subwords occuring in two different positions in the fixed word.

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Bibliographic Details
Published inDiscrete Applied Mathematics Vol. 22; no. 1; pp. 81 - 86
Main Author KELEMENOVA, A
Format Journal Article
LanguageEnglish
Published Lausanne Elsevier B.V 01.12.1988
Amsterdam Elsevier
New York, NY
Subjects
Applied sciences
Computer science; control theory; systems
Exact sciences and technology
Language theory and syntactical analysis
Theoretical computing
Alphabet
Formal language
Context sensitive language
Language generator
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Summary:We study the minimum size of context needed to regenerate a fixed word by a propagating DIL system without using extra symbols. It is proven that the size of context depends on the maximum length of subwords occuring in two different positions in the fixed word.
ISSN:0166-218X
1872-6771
DOI:10.1016/0166-218X(88)90124-2