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arXiv 1108.2803math.AP
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Schrödinger-Poisson-Slater问题的变号径向解

Sign-changing radial solutions for the Schrödinger-Poisson-Slater problem

Isabella Ianni

摘要:

考虑$\R^3$中的Schrödinger-Poisson-Slater(SPS)方程组和$\mathbb R^3$中球上的非局部SPS型方程,并考虑Dirichlet边界条件.我们表明,对于每一个$k\in\mathbb N$考虑每个问题承认一个节点的径向对称的解决方案,改变符号精确$k$倍的径向变量。当区域是$\mathbb R^3$的球时,我们得到了在任何时刻具有$k+1$节点区域的非局部抛物问题径向整体解的存在性.

英文摘要:

We consider the Schrödinger-Poisson-Slater (SPS) system in $\R^3$ and a nonlocal SPS type equation in balls of $\mathbb R^3$ with Dirichlet boundary conditions. We show that for every $k\in\mathbb N$ each problem considered admits a nodal radially symmetric solution which changes sign exacly $k$ times in the radial variable. Moreover when the domain is the ball of $\mathbb R^3$ we obtain the existence of radial global solutions for the associated nonlocal parabolic problem having $k+1$ nodal regions at every time.

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