搜索结果: 1-15 共查到“应用数学 elliptic”相关记录21条 . 查询时间(0.14 秒)
Global instability in the elliptic restricted three body problem
Elliptic Restricted Three Body problem Arnold diffusion splitting of separatrices Melnikov integral
2015/9/25
The (planar) ERTBP describes the motion of a massless particle (a comet) under the gravitational field of two massive bodies (the primaries, say the Sun and Jupiter) revolving around their center of m...
A high-order 3D boundary integral equation solver for elliptic PDEs in smooth domains
oundary integral equations Nystrom discretization Singular integrals Nearly singular integrals Fast solvers Laplace equation Stokes equation Navier equation Fast multipole method Fast Fourier transform
2015/7/14
We present a high-order boundary integral equation solver for 3D elliptic boundary value problems on domains with smooth boundaries. We use Nystro ¨m’s method for discretization, and combine it with s...
Preconditioned modified explicit decoupled group method in the solution of elliptic PDEs
Preconditioning method Modified Explicit Decoupled Group method
2010/9/21
Many physical phenomena in static field problems particularly in the electromagnetic field and the incompressible potential flow field are described by elliptic partial differential equations (pdes). ...
On a conjecture for a sixth order overdetermined elliptic boundary value problem
Overdetermined elliptic problems triharmonic operator
2010/9/20
In this note, we prove the conjecture of Payne and Schaefer [2], regarding an overdetermined boundary value problem for the triharmonic operator, Δ3 = ΔΔΔ. It is deduced that if a solution of the prob...
The mixed boundary value problem for semilinear elliptic equation in domains with edges
mixed boundary value problem domain with edges
2010/9/25
In this paper, we prove the existence and uniqueness of generalized solution of the mixed boundary value problem for semilinear elliptic equation in domains with edges. In addition, some results on sm...
On an elliptic boundary problem governed by a Laplacian operator perturbed by a spectral parameter and affected by a weight function in a plane polygon
Spectral prameter Polygon
2010/9/21
In this work, we study the problem governed by the laplacian operator perturbed by a spectral parameter and affected by a weight function in a polygon. First, the study will be done in a plane sector....
An algorithm to enhance elliptic curves scalar multiplication combining MBNR with point halving
Elliptic curves cryptography Integer representation
2010/9/25
Elliptic curves (EC) scalar multiplication over some finite fields, is an attractive research area, and it has been paid much attention by researchers in the recent years. Researchs still in progress ...
Elliptic systems with measurable coefficients of the type of Lamé system in three dimensions
Elliptic systems measurable coefficients
2010/11/22
We study the $3 \times 3$ elliptic systems $\nabla (a(x) \nabla\times u)-\nabla (b(x) \nabla \cdot u)=f$, where the coefficients $a(x)$ and $b(x)$ are positive scalar functions that are measurable an...
The model form and the \zeta-function for an elliptic differential operator of the second order on a manifold with turning points
model form turning manifold turning point
2010/9/10
This work represents the results of our research of the elliptic operator of the second order on a closed smooth manifold with the presence of turning points. The techniques, that were used in prevous...
$L^p-$Improving Properties for Measures on $\mathbb{R}^{4}$ Supported on Homogeneous Surfaces in Some Non Elliptic Cases
Singular Measures $L^p$-Improving Convolution Operators
2008/7/3
$L^p-$Improving Properties for Measures on $\mathbb{R}^{4}$ Supported on Homogeneous Surfaces in Some Non Elliptic Cases.
$W^{2,2}$ Estimates for Solutions to Non-Uniformly Elliptic PDE'S with Measurable Coefficients
Cordes conditions Elliptic partial differential equations
2008/7/3
$W^{2,2}$ Estimates for Solutions to Non-Uniformly Elliptic PDE'S with Measurable Coefficients.
Coerciveness Inequality for Nonlocal Boundary Value Problems for Second Order Abstract Elliptic Differential Equations
Ellipticity Abstract Differential Equation Coerciveness Non Regular Elliptic Problems
2008/7/1
In this paper we give conditions which assure the coercive solvability of an abstract differential equation of elliptic type with an operator in the boundary conditions, and the completeness of genera...
Linear Elliptic Equations and Gauss Measure
Linear elliptic equation Comparison theorem Rearrangements of functions Gauss measure
2008/7/1
Linear Elliptic Equations and Gauss Measure.
Strongly Elliptic Operators for a Plane Wave Diffraction Problem in Bessel Potential Spaces
Diffraction problem Strong Ellipticity Convolution type operator Wiener-Hopf operator Equivalence after extension
2008/6/26
We consider a plane wave diffraction problem by a union of several infinite strips. The problem is formulated as a boundary-transmission one for the Helmholtz equation in a Bessel potential space sett...
Strongly nonlinear elliptic equations, Generalization of a Result for Cosine Series on the $L^1$ Norm
Trigonometric series Fomin-class $L^1$-estimate
2008/6/26
Strongly nonlinear elliptic equations, Generalization of a Result for Cosine Series on the $L^1$ Norm.