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arXiv math-ph/9901022math-phmath.MPquant-ph
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依赖于曲率的Laplacian算子和Schr dinger算子的最优特征值

Optimal eigenvalues for some Laplacians and Schrödinger operators depending on curvature

Pavel Exner, Evans M. Harrell, Michael Loss

摘要:

本文是埃文斯·哈雷尔1998年6月在布拉格举行的QMath98会议上的全体会议讲话的扩展版本。我们考虑拉普拉斯算子和薛定谔算子的潜力包含曲率的某些区域的非平凡拓扑,特别是封闭的曲线,环形域,和壳。狄利克雷边界条件被施加在任何边界上。在适当的假设下,我们证明了基本特征值是最大化时,几何是圆的。我们还评论使用这些运营商的坐标变换,并提到一些开放的问题。

英文摘要:

This article is an expanded version of the plenary talk given by Evans Harrell at QMath98, a meeting in Prague, June 1998. We consider Laplace operators and Schrödinger operators with potentials containing curvature on certain regions of nontrivial topology, especially closed curves, annular domains, and shells. Dirichlet boundary conditions are imposed on any boundaries. Under suitable assumptions we prove that the fundamental eigenvalue is maximized when the geometry is round. We also comment on the use of coordinate transformations for these operators and mention some open problems.

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