Abstract
We analyse the geometry of a thin knotted string with bending rigidity. Two types of geometric properties are investigated. First, following the approach of von der Mosel [H. von der Mosel, Asymptotic Anal. 18, 49 (1998)], we derive upper bounds for the multiplicity of crossings and braids. Then, using a general inequality for the length of 3D curves derived by Chakerian [G.D. Chakerian, Proc. of the American Math. Soc. 15, 886 (1964)], we analyze the size and confinement of a knot
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Pierre-Louis, O. On the geometry of stiff knots. Eur. Phys. J. B 71, 281–288 (2009). https://doi.org/10.1140/epjb/e2009-00301-6
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DOI: https://doi.org/10.1140/epjb/e2009-00301-6