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Paper detail

Local versus Global Search in Channel Graphs

Previous studies of search in channel graphs has assumed that the search is global; that is, that the status of any link can be probed by the search algorithm at any time. We consider for the first time local search, for which only links to which an idle path from the source has already been established may be probed. We show that some well known channel graphs may require exponentially more probes, on the average, when search must be local than when it may be global.

preprint2010arXivOpen access
A. H. HunterNicholas Pippenger
math.PRComputational Complexity
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A. H. HunterNicholas Pippenger

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