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| Autores principales: | , , |
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| Formato: | Preprint |
| Publicado: |
2024
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| Materias: | |
| Acceso en línea: | https://arxiv.org/abs/2410.19386 |
| Etiquetas: |
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- In a paper published in Information Processing Letters in 2000, Bouajjani et al. presented an automata-based approach to a number of elementary problems on context-free grammars. This approach is of pedagogical interest since it provides a uniform solution to decision procedures usually solved by independent algorithms in textbooks. This paper improves upon the work by Bouajjani et al. in a number of ways. We present a new algorithm which not only has a better space complexity but is also (in our opinion) easier to read and understand. Moreover, a closer inspection reveals that the new algorithm is competitive to well-known solutions for most (but not all) standard problems.