Result Details
Four-Nonterminal Scattered Context Grammars Characterize the Family of Recursively Enumerable Languages
MEDUNA, A. Four-Nonterminal Scattered Context Grammars Characterize the Family of Recursively Enumerable Languages. INTERNATIONAL JOURNAL OF COMPUTER MATHEMATICS, 1997, vol. 1997, no. 63, p. 67-83. ISSN: 0020-7160.
Type
journal article
Language
English
Authors
Abstract
The family of recursively enumerable languages is characterized by scattered context grammars with four nonterminals.
Keywords
recursively enumerable languages, scattered context grammars, nonterminals
Annotation
The family of recursively enumerable languages is characterized by scattered context grammars with four nonterminals. Moreover, this family is characterized by scattered context grammars with three nonterminals if these grammars start their derivations from a word rather than a symbol. Three open problem areas are suggested.
Published
1997
Pages
67–83
Journal
INTERNATIONAL JOURNAL OF COMPUTER MATHEMATICS, vol. 1997, no. 63, ISSN 0020-7160
Book
International Journal of Computer Mathematics
Publisher
unknown
Place
London
BibTeX
@article{BUT191803,
author="Alexandr {Meduna}",
title="Four-Nonterminal Scattered Context Grammars Characterize the Family of Recursively Enumerable Languages",
journal="INTERNATIONAL JOURNAL OF COMPUTER MATHEMATICS",
year="1997",
volume="1997",
number="63",
pages="67--83",
issn="0020-7160"
}
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