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arXiv:0710.1262 [math.GT]AbstractReferencesReviewsResources

Algorithmically detecting the bridge number of hyperbolic knots

Alexander Coward

Published 2007-10-05, updated 2012-03-27Version 2

We exhibit an algorithm to determine the bridge number of a hyperbolic knot in the 3-sphere. The proof uses adaptations of almost normal surface theory for compact surfaces with boundary in ideally triangulated knot exteriors.

Comments: 42 pages, 23 figures; v2 contains a rewritten introduction and updated references
Categories: math.GT
Subjects: 57M25
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