COCO 2010 - PDF Preprint Papers

COCO 2010 Annual IEEE Conference on Computational Complexity

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COCO
2010
Springer

215views Algorithms» more COCO 2010»

Symmetry Coincides with Nondeterminism for Time-Bounded Auxiliary Pushdown Automata

14 years 3 months ago

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—We show that every language accepted by a nondeterministic auxiliary pushdown automaton in polynomial time (that is, every language in SAC1 = Log(CFL)) can be accepted by a symm...

Eric Allender, Klaus-Jörn Lange

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