KP-KdV Hierarchy and Pseudo-Differential Operators

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Communications in Advanced Mathematical Sciences
Volume:2 Issue:2
KP-KdV Hierarchy and Pseudo-Differential Operators

KP-KdV Hierarchy and Pseudo-Differential Operators

Pages : 75-104

View : 38 | Download : 10

Publication Date : 2019-06-27

Article Type : Research Paper

Abstract :The study of KP-KdV equations are the archetype of integrable systems and are one of the most fundamental equations of soliton phenomena and a topic of active mathematical research. Our purpose here is to give a motivated and a sketchy overview of this interesting subject. One of the objectives of this paper is to study the KdV equation and the inverse scattering method insert ignore into journalissuearticles values(based on Schrödinger and Gelfand-Levitan equations); used to solve it exactly. We study some generalities on the algebra of infinite order differential operators. The algebras of Virasoro and Heisenberg, nonlinear evolution equations such as the KdV, Boussinesq and KP play a crucial role in this study. We make a careful study of some connection between pseudo-differential operators, symplectic structures, KP hierarchy and tau functions based on the Sato-Date-Jimbo-Miwa-Kashiwara theory. A few other connections and ideas concerning the KdV and Boussinesq equations, the Gelfand-Dickey flows, the Heisenberg and Virasoro algebras are given.
Keywords : Integrable systems, KdV equation, Gelfand Levitan integral equation, KP hierarchy, Schr` o dinger equation, Symplectic structures

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