2011 | OriginalPaper | Buchkapitel
Δ-Clearing Restarting Automata and
verfasst von : Peter Černo, František Mráz
Erschienen in: Developments in Language Theory
Verlag: Springer Berlin Heidelberg
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Δ-clearing restarting automata represent a new restricted model of restarting automata which, based on a limited context, can either delete a substring of the current content of its tape or replace a substring by a special auxiliary symbol Δ, which cannot be overwritten anymore, but it can be deleted later. The main result of this paper consists in proving that besides their limited operations, Δ-clearing restarting automata recognize all context-free languages.