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Mathematics > Analysis of PDEs

arXiv:2508.03502 (math)
[Submitted on 5 Aug 2025 (v1) , last revised 22 Sep 2025 (this version, v2)]

Title: On the optimization of the Robin eigenvalues in some classes of polygons

Title: 关于某些多边形类别的罗宾特征值的优化

Authors:Alessandro Carbotti, Simone Cito, Diego Pallara
Abstract: Given the eigenvalue problem for the Laplacian with Robin boundary conditions, (with $\beta\in\R\setminus\{0\}$ the Robin parameter), we consider a shape minimization problem for a function of the first eigenvalues if $\beta>0$ and a shape maximization problem if $\beta<0$. Both problems are settled in a suitable class of generalized polygons with an upper bound on the number of sides, under either perimeter or volume constraint.
Abstract: 给定带有罗宾边界条件的拉普拉斯算子的特征值问题(其中$\beta\in\R\setminus\{0\}$为罗宾参数),我们考虑在$\beta>0$的情况下第一个特征值的函数的形状最小化问题,以及在$\beta<0$的情况下的形状最大化问题。 这两个问题都在具有边数上限的适当广义多边形类中解决,在周长或体积约束下。
Comments: 23 pages, 2 figures
Subjects: Analysis of PDEs (math.AP)
MSC classes: (Primary) 49Q10, (Secondary) 35P15, 49R05
Cite as: arXiv:2508.03502 [math.AP]
  (or arXiv:2508.03502v2 [math.AP] for this version)
  https://doi.org/10.48550/arXiv.2508.03502
arXiv-issued DOI via DataCite

Submission history

From: Alessandro Carbotti [view email]
[v1] Tue, 5 Aug 2025 14:32:23 UTC (55 KB)
[v2] Mon, 22 Sep 2025 14:48:46 UTC (56 KB)
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