Small conjunctive varieties of regular languages
The author's modification of Eilenberg theorem relates the so-called conjunctive varieties of regular languages with pseudovarieties of idempotent semirings. Recent results by Pastijn and his co-authors lead to the description of the lattice of all (pseudo)varieties of idempotent semirings with...
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| Dokumentumtípus: | Cikk |
| Megjelent: |
2006
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| Sorozat: | Acta cybernetica
17 No. 4 |
| Kulcsszavak: | Számítástechnika, Kibernetika |
| Tárgyszavak: | |
| Online Access: | http://acta.bibl.u-szeged.hu/12798 |
| Tartalmi kivonat: | The author's modification of Eilenberg theorem relates the so-called conjunctive varieties of regular languages with pseudovarieties of idempotent semirings. Recent results by Pastijn and his co-authors lead to the description of the lattice of all (pseudo)varieties of idempotent semirings with idempotent multiplication. We describe here the corresponding 78 varieties of languages. |
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| Terjedelem/Fizikai jellemzők: | 825-841 |
| ISSN: | 0324-721X |