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We consider the following nonlinear Schr¨odinger equations -ε2△u + u = Q(x)|u|p-2u in RN, u ∈ H1(RN),where ε is a small positive parameter, N ≥ 2, 2 p ∞ for N = 2 and 2 p 2N/N-2 for N ≥ 3. We prove that this problem has sign-changing(nodal) semi-classical bound states with clustered spikes for sufficiently small ε under some additional conditions on Q(x).Moreover, the number of this type of solutions will go to infinity as ε→ 0+. 相似文献
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本文主要研究Kirchhoff-Carrier型方程■正解的存在性及其性态,其中N≥1,a,b,c,d均为固定的正数,(λ,u)∈R+×H1(RN).我们利用伸缩技巧证明了上述问题在不同的假设条件下正解的存在性,非存在性和多重性. 相似文献
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