Abstract
We consider d-dimensional contextual array grammars and investigate their computational power when using various control mechanisms – matrices, regular control languages, and tissue P systems, which work like regular control languages, but may end up with a final check for the non-applicability of some rules. For d≥2, d-dimensional contextual array grammars are less powerful than matrix contextual array grammars, which themselves are less powerful than contextual array grammars with regular control languages. The use of tissue P systems with their final non-applicability check even yields some additional computational power.In the 1-dimensional case, the family of 1-dimensional array languages generated by contextual array grammars with regular control languages can be characterized as the family of array images of the linear languages, which for a one-letter alphabet means that it coincides with the family of regular 1-dimensional array languages.
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