A note on Sylvester's proof of discreteness of interior transmission eigenvalues

被引：6
|
作者：
Kirsch, Andreas [1 ]
机构：
[1] KIT, Dept Math, D-76131 Karlsruhe, Germany
来源：
COMPTES RENDUS MATHEMATIQUE | 2016年 / 354卷 / 04期
关键词：
D O I：
10.1016/j.crma.2016.01.015
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
It has been shown by Sylvester (2011) [10] that the set of interior transmission eigenvalues forms a discrete set if the contrast does not change its sign in a neighborhood of the boundary. In this short note, we give a more elementary proof of this fact using the classical inf-sup conditions of Babuska-Brezzi. (C) 2016 Academie des sciences. Published by Elsevier Masson SAS. All rights reserved.
引用
收藏
页码：377 / 382
页数：6
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