Cutting hyperplanes for divide-and-conquer
Discrete & Computational Geometry
Computational geometry: algorithms and applications
Computational geometry: algorithms and applications
Protein similarity from knot theory and geometric convolution
RECOMB '04 Proceedings of the eighth annual international conference on Resaerch in computational molecular biology
Modeling time and topology for animation and visualization with examples on parametric geometry
Theoretical Computer Science
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The writhing number measures the global geometry of a closed space curve or knot. We show that this measure is related to the average winding number of its Gauss map. Using this relationship, we give an algorithm for computing the writhing number for a polygonal knot with n edges in time roughly proportional to n1.6. We also implement a different, simple algorithm and provide experimental evidence for its practical efficiency.