共查询到20条相似文献,搜索用时 93 毫秒
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In this paper we investigate the dynamics of solitons occurring in the nonlinear Schroedinger equation when a parameter h→0.We prove that under suitable assumptions, the soliton approximately follows the dynamics of a point particle, namely, the motion of its barycenterqh(t) satisfies the equation
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During the past 10 years multifractal analysis has received an enormous interest. For a sequence n(φn) of functions φn:X→M on a metric space X, multifractal analysis refers to the study of the Hausdorff dimension of the level sets
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We study the realization of the differential operator in the space of continuous time periodic functions, and in L
2 with respect to its (unique) invariant measure. Here L(t) is an Ornstein-Uhlenbeck operator in , such that L(t + T) = L(t) for each .
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In this paper, we study the nonlinear stationary Schrödinger-Maxwell equations
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Claudia Valls 《Nonlinear Analysis: Theory, Methods & Applications》2009,71(12):6084-6092
In this paper we study analytically a class of waves in the variant of the classical dissipative Boussinesq system given by
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Let (X,T) be a topological dynamical system and be a sub-additive potential on C(X,R). Let U be an open cover of X. Then for any T-invariant measure μ, let . The topological pressure for open covers U is defined for sub-additive potentials. Then we have a variational principle:
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Songsong Lu 《Journal of Differential Equations》2006,230(1):196-212
First, the existence and structure of uniform attractors in H is proved for nonautonomous 2D Navier-Stokes equations on bounded domain with a new class of distribution forces, termed normal in (see Definition 3.1), which are translation bounded but not translation compact in . Then, the properties of the kernel section are investigated. Last, the fractal dimension is estimated for the kernel sections of the uniform attractors obtained. 相似文献
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R. Nair 《Indagationes Mathematicae》2004,15(3):373-381
Given a subset S of Z and a sequence I = (In)n=1∞ of intervals of increasing length contained in Z, let
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Under suitable assumptions on the potentials V and a, we prove that if u∈C([0,1],H1) is a solution of the linear Schrödinger equation
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Pedro Isaza 《Journal of Differential Equations》2009,247(6):1851-4029
In this article we prove that sufficiently smooth solutions of the Ostrovsky equation with negative dispersion:
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Pedro Isaza 《Nonlinear Analysis: Theory, Methods & Applications》2010,72(11):4016-4029
In this paper we prove that sufficiently smooth solutions of the Ostrovsky equation with positive dispersion,
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In this article we prove that sufficiently smooth solutions of the Zakharov-Kuznetsov equation: