搜索结果: 151-165 共查到“理学 Differential equations”相关记录204条 . 查询时间(0.137 秒)
MULTIPLICATIVE EXTRAPOLATION METHOD FOR CONSTRUCTING HIGHER ORDER SCHEMES FOR ORDINARY DIFFERENTIAL EQUATIONS
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2007/12/11
In this paper, we develop a new teclinique called multiplicative extrapolation method which is used to construct higher order schemes for ordinary dtherential equations. We call it a new method becaus...
Anticipative Stochastic Differential Equations with Non-smooth Diffusion Coefficient
Non-smooth and anticipative stochastic differential equations Skorohod integral Malliavin derivative
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2007/12/11
In this paper we prove the existence and uniqueness of the solutions to the one-dimensional linear stochastic differential equation with Skorohod integral $$\ \ X_t(\omega )=\eta (\omega )+ \int^t_0 a...
Boundary Value Problems for Singular Second-Order Functional Differential Equations
Singular boundary value problem existence
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2007/12/11
Positive solutions to the boundary value problem, are obtained by applying the Schauder fixed point theorem, where w(x) is a continuous function defined on [0, 1] and f(x, y) is a function defined on ...
Periodic Boundary Value Problems for Second Order Functional Differential Equations
Periodic boundary value problem second order functional differential equation comparison result Monotone iterative technique
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2007/12/11
This paper investigates the existence of solutions ofperiodic boundary value problems for nonlinear second order functionaldifferential equations. By establishing comparison results, criteria onthe e...
Exponential Stability of Traveling Pulse Solutions of a Singularly Perturbed System ofIntegral Differential Equations Arising From Excitatory Neuronal Networks
Integral differential equations traveling pulse solutions exponential stability linear differential operators eigenvalue problems eigenvalue functions
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2007/12/11
We establish the exponential stability of fast travelingpulse solutions to nonlinear singularly perturbed systems ofintegral differential equations arising from neuronal networks. Ithas been proved th...
Infinite Interval Backward Stochastic Differential Equations in the Plane
two-parameter mixed type BSDE
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2007/12/10
This paper studies the existence and uniqueness of solution of infinite interval backward stochastic differential equation (BSDE) in the plane driven by a Brownian sheet.
Asymptotic Behavior of Solutions to a Class of Systems of Delay Differential Equations
asymptotic behavior delay differential equation $\omega$-limit set
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2007/12/10
The authors investigate the asymptotic behavior of solutions to a class of systems of delay differential equations. It is shown that every bounded solution of such a class of systems tends to a cons...
MULTIPLE POSITIVE SOLUTIONS TO BVPS FOR HIGHER ORDER NONLINEAR DIFFERENTIAL EQUATIONS IN BANACH SPACES
Multiple positive solutions h
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2007/12/10
In this article, the author employs the conical expansion and compression fixed point principle and the fixed point index theory to show that there exist at least two positive solutions for a higher o...
NONLINEAR GALERKIN METHOD FOR STEADY NONLINEAR DIFFERENTIAL EQUATIONS
Nonlinear Galerkin method nonlinear par
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2007/12/10
摘要 A nonlinear Galerkin method using spectral expansions is presented for the steady nonlinear partial differential equations. We prove the existence, uniqueness and convergence of the numerical solut...
ON THE EXISTENCE AND UNIQUENESS OF PERIODIC SOLUTIONS OF VOLTERRA INTEGRAL DIFFERENTIAL EQUATIONS
Periodic solutions Volterra integro-dif
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2007/12/10
摘要 In this paper, we use the contraction principle and the Leray-Schauder principle to deal with the existence of periodic solutions of the Volterra integral differential equation. Some new existence ...
ASYMPTOTIC BEHAVIOR OF MULTISTEP RUNGE-KUTTA METHODS FOR SYSTEMS OF DELAY DIFFERENTIAL EQUATIONS
Stability multistep Runges-Ku
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2007/12/10
This paper deals with the asymptotic behavior of multistep Runge-Kutta methods for systems of delay differential equations (DDEs). With the help of K.J.in't Hout's analytic technique for the numerical...
Oscillation of nonlinear neutral delay differential equations of second-order with positive and negative coefficients
Delay differential equations neutral nonlinear oscillation second-order
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2010/2/25
Some oscillation criteria for the following second-order neutral differential equation [x(t)\pm r(t) f( x(t-g))]''+p(t) g(x(t-a)) -q(t) g(x(t-b )) = s(t) where t\geq t0, g,a,b \in R+ with a \geq b, r ...
Oscillation of higher-order nonlinear delay differential equations with oscillatory coefficients
Neutral differential equations, positive and oscillating coefficients
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2010/2/25
A criterion is established on the bounded solutions of type higher-order nonlinear neutral differential equations of type oscillatory or tending to zero at infinity [a(t) [x(t)+r(t)x(k(t))]^{(n-1]' +p...
Special Conditional Similarity Reduction Solutions for Two Nonlinear Partial Differential Equations
conditional similarity reduction (2+1)-dimensional modified Broer-Kaup equations
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2007/8/15
2007Vol.48No.2pp.199-204DOI:
Special Conditional Similarity Reduction Solutions for Two Nonlinear Partial Differential Equations
MA Zheng-Yi
Department of Mathematics, Z...
Bäcklund Transformation
and Similarity Reductions of Nonlinear Partial Differential Equations
Using Extended Homogeneous Balance Method
extended homogeneous balance method
Bä cklund transformation similarity reduction
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2007/8/15
2001Vol.35No.5pp.523-526DOI:
Bäcklund Transformation
and Similarity Reductions of Nonlinear Partial Differential Equations
Using Extended Homogeneous Balance Method
FAN En-...