Computer Science > Formal Languages and Automata Theory
[Submitted on 6 Sep 2023]
Title:When Stars Control a Grammar's Work
View PDFAbstract:Graph-controlled insertion-deletion (GCID) systems are regulated extensions of insertion-deletion systems. Such a system has several components and each component contains some insertion-deletion rules. The components are the vertices of a directed control graph. A rule is applied to a string in a component and the resultant string is moved to the target component specified in the rule. The language of the system is the set of all terminal strings collected in the final component. We impose the restriction in the structure of the underlying graph to be a star structure where there is a central, control component which acts like a master and transmits a string (after applying one of its rules) to one of the components specified in the (applied) rule. A component which receives the string can process the obtained string with any applicable rule available in it and sends back the resultant string only to the center component. With this restriction, we obtain computational completeness for some descriptional complexity measures
Submission history
From: EPTCS [view email] [via EPTCS proxy][v1] Wed, 6 Sep 2023 06:18:10 UTC (64 KB)
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