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韩丕功 《数学物理学报(B辑英文版)》2005,25(3):533-544
This paper deals with the existence of solutions to the elliptic equation -△uμu/|x|2=λu |u|2*-2u f(x, u) in Ω, u = 0 on ( a)Ω, where Ω is a bounded domain in RN(N≥3),0∈Ω,2*=2N/N-2,λ>0,λ(a)σμ, σμ is the spectrum of the operator -△- μI/|x|2with zero Dirichlet boundary condition, 0 <μ<-μ,-μ=(N-2)2/4,f(x,u) is an asymmetric lower order perturbation of |u|2*-1 at infinity. Using the dual variational methods, the existence of nontrivial solutions is proved. 相似文献
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Applying the frequency-uniform decomposition technique, we study the Cauchy problem for derivative Ginzburg–Landau equation , where , are complex constant vectors, , . For , we show that it is uniformly global well posed for all if initial data in modulation space and Sobolev spaces () and is small enough. Moreover, we show that its solution will converge to that of the derivative Schrödinger equation in if and in or with . For , we obtain the local well-posedness results and inviscid limit with the Cauchy data in () and . 相似文献
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《Applied Mathematics Letters》2006,19(8):820-823
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In this paper, we consider the Cauchy problem for a two-phase model with magnetic field in three dimensions. The global existence and uniqueness of strong solution as well as the time decay estimates in are obtained by introducing a new linearized system with respect to for constants and , and doing some new a priori estimates in Sobolev Spaces to get the uniform upper bound of in norm. 相似文献
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