نتایج جستجو برای: stochasic evolution equations

تعداد نتایج: 566519  

Journal: :Journal of Differential Equations 2011

Journal: :Nonlinear Analysis: Hybrid Systems 2021

Journal: :Journal of Differential Equations 1977

Journal: :Journal of Scientific Computing 2011

In this paper, we study the existence of generalized solutions for the infinite dimensional nonlinear stochastic differential inclusions $dx(t) in F(t,x(t))dt +G(t,x(t))dW_t$ in which the multifunction $F$ is semimonotone and hemicontinuous and the operator-valued multifunction $G$ satisfies a Lipschitz condition. We define the It^{o} stochastic integral of operator set-valued stochastic pr...

Journal: :bulletin of the iranian mathematical society 0
y‎. ‎y‎. zhang lmib & school of mathematics and systems science‎, ‎beihang university‎, ‎beijing‎, ‎100191‎, ‎china. y‎. ‎y‎. zhang lmib & school of mathematics and systems science‎, ‎beihang university‎, ‎beijing‎, ‎100191‎, ‎china. y‎. ‎y‎. zhang lmib & school of mathematics and systems science‎, ‎beihang university‎, ‎beijing‎, ‎100191‎, ‎china.

in this paper, we consider a class of time-dependent neutral stochastic evolution equations with the infinite delay and a fractional brownian motion in a hilbert space. we establish the existence and uniqueness of mild solutions for these equations under non-lipschitz conditions with lipschitz conditions being considered as a special case. an example is provided to illustrate the theory

2008
XICHENG ZHANG

In this paper, we study the existence and uniqueness of solutions for several classes of stochastic evolution equations with non-Lipschitz coefficients, that is, backward stochastic evolution equations, stochastic Volterra type evolution equations and stochastic functional evolution equations. In particular, the results can be used to treat a large class of quasi-linear stochastic equations, wh...

Journal: :journal of sciences, islamic republic of iran 2013
a. aasaraai m.b. mehrlatifan s. khaleghizadeh

a modified f-expansion method to find the exact traveling wave solutions of  two-component nonlinear partial differential equations (nlpdes) is discussed. we use this method to construct many new solutions to the nonlinear whitham-broer-kaup system (1+1)-dimensional. the solutions obtained include jacobi elliptic periodic wave solutions which exactly degenerate to the soliton solutions, triangu...

A. MOAMENI, H. ASSA, M. HESAARAKI,

In this paper we consider a kind of higher-order evolution equation as^{kt^{k} + ^{k&minus1}u/t^{k&minus1} +• • •+ut &minus{delta}u= f (u, {delta}u,x). For this equation, we investigate nonglobal solution, blow-up in finite time and instantaneous blow-up under some assumption on k, f and initial data. In this paper we employ the Test function method, the eneralized convexity method an...

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