Abstract
We introduce the notion of syntactic nuclei of languages and give a new formulation of Kleene's theorem in terms of syntactic nuclei. We prove that a language is rational if and only if its syntactic nucleus is finitary.
| Original language | English |
|---|---|
| Pages (from-to) | 221-226 |
| Number of pages | 6 |
| Journal | Information Processing Letters |
| Volume | 67 |
| Issue number | 5 |
| Publication status | Published - 15 Sept 1998 |
Keywords
- Automata
- Formal languages
- Formal series
- Semirings
- Syntactic congruences
- Syntactic nuclei