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arXiv 1202.4920math.AP
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关于含分数拉普拉斯算子的形状最优化问题

On shape optimization problems involving the fractional laplacian

Anne-Laure Dalibard, David Gérard-Varet

摘要:

我们关心的是计算最佳形状的问题,涉及$\(-Δ)^{1/2}$。我们专注于能量$J(Ω)$相关的解决方案$u\_Ω$的基本狄利克雷问题$(-Δ)^{1/2} u\_Ω= 1$在$Ω$,$ u = 0$在$Ω^c$。我们表明,经常极小$Ω$的这种能量下的体积约束是磁盘。我们的证明通过明确计算的形状导数(这似乎是全新的分数的上下文中),和一个精致的适应移动平面方法。

英文摘要:

Our concern is the computation of optimal shapes in problems involving $\(-Δ)^{1/2}$. We focus on the energy $J(Ω)$ associated to the solution $u\_Ω$ of the basic Dirichlet problem $(-Δ)^{1/2} u\_Ω= 1$ in $Ω$, $ u = 0$ in $Ω^c$. We show that regular minimizers $Ω$ of this energy under a volume constraint are disks. Our proof goes through the explicit computation of the shape derivative (that seems to be completely new in the fractional context), and a refined adaptation of the moving plane method.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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