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利用不动点定理及分布HenstockKurzweil积分的性质, 研究Darboux问题最值解的存在性及最值解对广义函数的依赖性, 在广义导数下证明了Darboux问题最大最小解的存在性定理。
利用不动点定理及分布HenstockKurzweil积分的性质, 研究Darboux问题最值解的存在性及最值解对广义函数的依赖性, 在广义导数下证明了Darboux问题最大最小解的存在性定理.
The Darboux coordinates for a new family of Hamiltonian operators and linearization of associated evolution equations
Hamiltonian operators bi-Hamiltonian systems evolution equations linearization
2010/12/28
A. de Sole, V. G. Kac, and M. Wakimoto have recently introduced a new family of compatible
Hamiltonian operators of the form H(N,0) = D2 ◦ ((1/u)◦D)2n ◦D, where N = 2n+3, n = 0, 1, ...
The Darboux coordinates for a new family of Hamiltonian operators and linearization of associated evolution equations
Hamiltonian operators bi-Hamiltonian systems evolution equations linearization
2011/1/20
A. de Sole, V. G. Kac, and M. Wakimoto have recently introduced a new family of compatible
Hamiltonian operators of the form H(N,0) = D2 ◦ ((1/u)◦D)2n ◦D, where N = 2n+3, n = 0, 1, ...
Darboux transformations of Jacobi matrices and Padé approximation
Darboux transformation, monic Jacobi matrix monic generalized
2011/2/22
Let J be a monic bounded Jacobi matrix associated with the function F. We construct a pair of the lower and upper triangular block matrices L and U such that J = LU and the matrix JC = UL is a monic g...
Computation of Darboux polynomials and rational first integrals with bounded degree in polynomial time
Darboux polynomials rational first integrals bounded degree
2010/12/7
In this paper we study planar polynomial differential systems of this form: dX dt = ˙X = A(X, Y ),dY dt = ˙Y = B(X, Y ),where A,B ∈ Z[X, Y ] and deg A ≤ d, degB ≤ d, kAk1 ≤ H and kBk1 ≤H. A lot of pro...
Darboux transforms and simple factor dressing of constant mean curvature surfaces
Darboux transforms simple factor dressing constant mean curvature surfaces
2010/12/14
We define a transformation on harmonic maps N : M ! S2 from a Riemann surface M into the 2–sphere which depends on a parameter μ 2 C, the so–called μ–Darboux transformation.
Hodograph solutions of the dispersionless coupled KdV hierarchies, critical points and the Euler-Poisson-Darboux equation
Hodograph solutions scalar function Euler-Poisson-Darboux equation
2010/4/2
It is shown that the hodograph solutions of the dispersionless coupled KdV (dcKdV) hierarchies describe critical and degenerate critical points of a scalar function which obeys the Euler-Poisson-Darbo...
Differential-difference equation $\frac{d}{dx}t(n+1,x)=f(x,t(n,x),t(n+1,x),\frac{d}{dx}t(n,x))$ with unknown $t(n,x)$ depending on continuous and discrete variables $x$ and $n$ is studied. We call an ...
Geometry of Darboux-Manakov-Zakharov systems and its application
Darboux-Manakov-Zakharov systems Geometry
2010/4/2
The intrinsic geometric properties of generalized Darboux-Manakov-Zakharov systems of semilinear partial differential equations \label{GDMZabstract} \frac{\partial^2 u}{\partial x_i\partial x_j}=f_{ij...
Darboux transformation for two component derivative nonlinear Schrödinger equation
Darboux transformation solitons DNLS
2010/4/8
In this paper, we consider the two component derivative nonlinear Schr\"{o}dinger equation and present a simple Darboux transformation for it. By iterating this Darboux transformation, we construct a ...
Darboux transformations for two dimensional elliptic affine Toda equations
dimensional elliptic affine Toda equations Darboux transformation
2010/4/7
The Darboux transformations for the two dimensional elliptic affine Toda equations corresponding to all seven infinite series of affine Kac-Moody algebras, including $A_l^{(1)}$, $A_{2l}^{(2)}$, $A_{2...
Darboux transformations for a twisted derivation and quasideterminant solutions to the super KdV equation
twisted derivation super KdV equation quasideterminant solutions
2010/4/7
This paper is concerned with a generalized type of Darboux transformations defined in terms of a twisted derivation $D$ satisfying $D(AB)=D(A)+\sigma(A)B$ where $\sigma$ is a homomorphism. Such twiste...
On the dual Bishop Darboux rotation axis of the dual space curve
Dual space curve Dual Bishop frame Dual parallel transport frame Dual Bishop Darboux vector Dual Bishop Darboux rotation axis
2009/1/4
In this paper, the Dual Bishop Darboux rotation axis for dual
space curve in the dual space D3 is decomposed in two simultaneous ro-
tation. The axes of these simultaneous rotations are joined by a ...
Transformations of ordinary differential equations via Darboux transformation technique
ordinary differential equations Darboux transformation technique
2010/11/1
A new approach for obtaining the transformations of solutions of nonlinear ordinary differential equations representable as the compatibility condition of the overdetermined linear systems is propose...