Results 101 to 110 of about 883 (177)

Restricted Flows and the Soliton Equation with Self-Consistent Sources

open access: yesSymmetry, Integrability and Geometry: Methods and Applications, 2006
The KdV equation is used as an example to illustrate the relation between the restricted flows and the soliton equation with self-consistent sources. Inspired by the results on the Bäcklund transformation for the restricted flows (by V.B. Kuznetsov et al.
Runliang Lin, Haishen Yao, Yunbo Zeng
doaj  

Conservation laws for shallow water waves on a sloping beach

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 1986
Shallow water waves are governed by a pair of non-linear partial differential equations. We transfer the associated homogeneous and non-homogeneous systems, (corresponding to constant and sloping depth, respectively), to the hodograph plane where we find
Yilmaz Akyildiz
doaj   +1 more source

Analytic Investigation of a Generalized Variable-Coefficient KdV Equation with External-Force Term

open access: yesMathematics
This paper investigates integrable properties of a generalized variable-coefficient Korteweg–de Vries (gvcKdV) equation incorporating dissipation, inhomogeneous media, and an external-force term.
Gongxun Li   +4 more
doaj   +1 more source

On adjoint symmetries and reciprocal Bäcklund transformations of evolution equations [PDF]

open access: yes, 2009
The aim of this Licentiate Thesis is to discuss special transformations and so-called adjoint symmetries of nonlinear partial differential equations. Nonlinear partial differential equations play an important role in the description of many physical ...
Lundberg, Staffan
core  

Symmetries and Bäcklund Transformations for the Modified Veronese Web Equation

open access: yesAppliedMath
This paper investigates recursion operators and nonlocal symmetry structures for the modified Veronese web equation. The novelty of the work lies in the explicit construction of a direct recursion operator and its inverse in the tangent-covering ...
Qingli Luo, Zhe Wang, Yufeng Zhang
doaj   +1 more source

Symmetry analysis, soliton solutions and conservation laws of the Q(L, m, n) equation

open access: yesNonlinear Analysis
In the present paper, symmetry and soliton solutions of the Q(L, m, n) equation are investigated. The infinitesimal operator of this equation is obtained by virtue of Lie group analysis.
Gangwei Wang   +3 more
doaj   +1 more source

Bäcklund transformations in the Hauser–Ernst formalism for stationary axisymmetric spacetimes [PDF]

open access: yes, 1981
It is shown that Harrison's Bäcklund transformation for the Ernst equation of general relativity is a two-parameter subset (not subgroup) of the infinite-dimensional Geroch group K.
Cosgrove, Christopher M.
core  

On a Negative Flow of the AKNS Hierarchy and Its Relation to a Two-Component Camassa-Holm Equation

open access: yesSymmetry, Integrability and Geometry: Methods and Applications, 2006
Different gauge copies of the Ablowitz-Kaup-Newell-Segur (AKNS) model labeled by an angle θ are constructed and then reduced to the two-component Camassa-Holm model.
Henrik Aratyn   +2 more
doaj  

Fractional dynamics and optical soliton propagation in mono-mode fibers via the Fokas system. [PDF]

open access: yesSci Rep
Iqbal N   +5 more
europepmc   +1 more source

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