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2014 Fiscal Year Final Research Report

Study on one-dimensional elastic bodies with a focus on Kirchhoff elastic rods in space forms

Research Project

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Project/Area Number 23540116
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Geometry
Research InstitutionFukuoka University

Principal Investigator

KAWAKUBO Satoshi  福岡大学, 理学部, 助教 (80360303)

Project Period (FY) 2011-04-28 – 2015-03-31
Keywordsキルヒホッフ弾性棒 / 弾性曲線 / 変分問題 / 渦糸 / 局所誘導階層 / ソリトン曲線 / 変形KdV方程式
Outline of Final Research Achievements

The initial-value problem for the equations of Kirchhoff elastic rods in complete Riemannian manifolds was studied, and it was proven that there exists a unique global solution of this initial-value problem. Also, a class of fourth soliton curves in three-dimensional Euclidean space was explicitly expressed in terms of Jacobi elliptic functions, and it was proven that there exist periodic solutions in this class. Each periodic solution winds around a torus of revolution. By using these periodic fourth soliton curves, congruence solutions (solutions moving without change of shape) of the "space curve version of the modified KdV equation" were constructed.

Free Research Field

幾何学

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Published: 2016-06-03  

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