Remarks on Regulated Limited ET0L Systems and Regulated Context-Free Grammars

Abstract We continue the studies of the second author on regulated uniformly k -limited and regulated k -limited ETOL systems. We focus on the permitting and forbidding random context regulation. Especially, we establish some results on (regulated) propagating (uniformly) k -limited ETOL systems which were not solved in [2, 18, 21, 22]. Moreover, relations to recurrent programmed languages introduced by von Solms are exhibited.

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