Résumé: In this paper, we investigate the concept of unconditional transfer within various forms of regulated grammars like programmed grammars, matrix grammars, grammars with regular control, grammars controlled by bicoloured digraphs, periodically time-variant grammars and variants thereof, especially regarding their descriptive capacity. In this way, we solve some problems from the literature. Furthermore, we correct a construction from the literature. Most of the results of the present paper have been announced in [11.

Langue: Anglais