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Characterizations of recursively enumerable languages by means of insertion grammars

✍ Scribed by Carlos Martin-Vide; Gheorghe Păun; Arto Salomaa


Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
720 KB
Volume
205
Category
Article
ISSN
0304-3975

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Homomorphic characterizations of recursi
✍ Satoshi Okawa; Sadaki Hirose 📂 Article 📅 2001 🏛 Elsevier Science 🌐 English ⚖ 137 KB

In this paper, we attempt to characterize the class of recursively enumerable languages with much smaller language classes than that of linear languages. Language classes, (i; j) LL and (i; j)ML, of (i; j) linear languages and (i; j) minimal linear languages are deÿned by posing restrictions on the