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arXiv 1808.07976math.SP
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具有固定电阻度量的圈上Laplacian特征值的等周不等式

Isoperimetric inequalities for eigenvalues of the Laplacian on cycles with fixed resistance metric

Federico Menendez-Conde

摘要:

对于边权值为非负的圈,我们定义其全局阻力为邻顶点之间的有效阻力度量所给出的距离之和。我们证明了以下结果:对于全局电阻为给定常数的3-圈上的Laplace算子,最小正特征值的最大值和最大正特征值的极小值都存在当且仅当所有权值相等.

英文摘要:

For cycles with non-negative weights on its edges, we define its global resistance as the sum of the distances given by the effective resistance metric between adjacent vertices. We prove the following result: for the Laplace operator on the 3-cycle with global resistance equal to a given constant, the maximal value of the smallest positive eigenvalue and the minimal value of the largest eigenvalue, are both attained if and only if all the weights are equal to each other.

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