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@inproceedings{840029, author = {Masopust, Tomáš}, address = {Wroclaw, Poland}, booktitle = {Proceedings of Workshop on Non-Classical Models of Automata and Applications (NCMA)}, keywords = {Pushdown automata, regulation, computational power, descriptional complexity.}, location = {Wroclaw, Poland}, isbn = {978-3-85403-256-4}, pages = {181-194}, publisher = {books@ocg.at, Band 256, Austrian Computer Society}, title = {Regulated Nondeterminism in PDAs: The Non-Regular Case}, year = {2009} }
TY - JOUR ID - 840029 AU - Masopust, Tomáš PY - 2009 TI - Regulated Nondeterminism in PDAs: The Non-Regular Case PB - books@ocg.at, Band 256, Austrian Computer Society CY - Wroclaw, Poland SN - 9783854032564 KW - Pushdown automata, regulation, computational power, descriptional complexity. N2 - In this paper, we discuss pushdown automata which can make a nondeterministic decision only if the pushdown content forms a string that belongs to a given control language. It proves that if the control language is linear and non-regular, then the computational power of pushdown automata regulated in this way is increased to the power of Turing machines. Naturally, checking the pushdown content in each computational step is not practically efficient. Therefore, we also prove that two checks of the form of the pushdown content during any computation are sufficient for these automata to be computationally complete. Finally, some descriptional complexity results are discussed. ER -
MASOPUST, Tomáš. Regulated Nondeterminism in PDAs: The Non-Regular Case. In \textit{Proceedings of Workshop on Non-Classical Models of Automata and Applications (NCMA)}. Wroclaw, Poland: books@ocg.at, Band 256, Austrian Computer Society, 2009, s.~181-194. ISBN~978-3-85403-256-4.
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