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The rank of a warping matrix

The warping matrix has been defined for knot projections and knot diagrams by using warping degrees. In particular, the warping matrix of a knot diagram represents the knot diagram uniquely. In this paper we show that the rank of the warping matrix is one greater than the crossing number. We also discuss the linearly independence of knot diagrams by considering the warping incidence matrix.

preprint2015arXivOpen access
Taira AkiyamaAyaka ShimizuRyohei Watanabe
math.GT
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Taira AkiyamaAyaka ShimizuRyohei Watanabe

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