Sato theory

수학노트
http://bomber0.myid.net/ (토론)님의 2011년 4월 17일 (일) 16:09 판
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introduction
  • Sato’s Grassmannian and its determinant bundle became a “universal” setting where moduli spaces of curves (or maps or bundles) of arbitrary genus could
    be mapped and made to interact
  • tau function =  the section of a determinant line bundle over an infinite-dimensional Grassmannian
  • Matsutani, Shigeki. 2000. Hyperelliptic Solutions of KdV and KP equations: Reevaluation of Baker's Study on Hyperelliptic Sigma Functions. nlin/0007001 (July 1). doi:doi:10.1088/0305-4470/34/22/312. http://arxiv.org/abs/nlin/0007001

 

 

KdV equation

\(K(x,t)=1+e^{2a(x-4a^2t+\delta)}\)

\(2(\frac{\partial^2}{\partial x^2})\log K(x,t)\)

\(K(x,t)=1+A_1e^{2a_1(x-4a_1^2t+\delta_1)}+A_2e^{2a_2(x-4a_2^2t+\delta_2)}+A_3e^{2a_1(x-4a_1^2t+\delta_1)+{2a_2(x-4a_2^2t+\delta_2)}\)

\(2(\frac{\partial^2}{\partial x^2})\log K(x,t)\)

 

 

Algebraic Geometrical Methods in Hamiltonian Mechanics http://www.jstor.org/stable/37539

 

 

Wronskian determinant

 

 

 

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