研究報告書 dNLS Flow on Discrete Space Curves

Hirose, Sampei  ,  Hirose, Sanpei  ,  Inoguchi, Jun-ichi  ,  Inoguchi, Junichi  ,  Kajiwara, Kenji  ,  Matsuura, Nozomu  ,  Ohta, Yasuhiro  ,  Ota, Yasuhiro

64pp.93 - 102 , 2015-09-18 , Institute of Mathematics for Industry, Kyushu University
ISSN:2188-1200
内容記述
The local induction equation, or the binormal flow on space curves is a well-known model of deformation of space curves as it describes the dynamics of vortex filaments, and the complex curvature is governed by the nonlinear Schrödinger equation (NLS). In this paper, we present its discrete analogue, namely, a model of deformation of discrete space curves by the discrete nonlinear Schrödinger equation (dNLS). We also present explicit formulas for both NLS and dNLS flows in terms of the τ function of the 2-component KP hierarchy.
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http://catalog.lib.kyushu-u.ac.jp/handle/2324/1547100/p093.pdf

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