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Zbl 1080.57007
Bribiesca, Ernesto
A method for computing families of discrete knots using knot numbers. (English)
[J] J. Knot Theory Ramifications 14, No. 4, 405-424 (2005). ISSN 0218-2165

The author presents an approach for generating polygons on the cubic lattice based on the orthogonal direction change chain code. This chain code allows to represent discrete knots, that is, the digitalized representation of a knot. By considering the chain elements a unique knot descriptor is obtained that is invariant under translation, rotation and starting point. The analysis and elimination of particular curves allow the author to detect the simplest nontrivial knot.
[J. L. Ramirez Alfonsin (Paris)]
MSC 2000:
*57M25 Knots and links in the 3-sphere

Keywords: discrete knots; cubic lattice; chain coding

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