String matching with simple devices |
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Authors: | Holger Petersen |
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Affiliation: | Universität Stuttgart, FMI, Universitätsstr. 38, D-70569 Stuttgart, Germany |
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Abstract: | With the help of a general simulation technique of deterministic finite two-way multi-head automata by automata with blind heads we show O(n2/logn) to be an upper time bound on string matching. This result is tight by a previously known lower bound. |
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Keywords: | Computational complexity String matching Theory of computation |
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