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On a Class of Overdetermined Eigenvalue Problems

✍ Scribed by Antoine Henrot; Gérard A. Philippin

Publisher
John Wiley and Sons
Year
1997
Tongue
English
Weight
320 KB
Volume
20
Category
Article
ISSN
0170-4214

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✦ Synopsis

In this paper we present some new results of symmetry for inhomogeneous Dirichlet eigenvalue problems overdetermined by a condition involving the gradient of the first eigenfunction on the boundary. One specificity of the problem studied is the dependence of the equation and the boundary condition on the distance to the origin. The method of investigation is based on the use of continuous Steiner symmetrization together with some domain derivative tools. An application is given to the study of an overdetermined eigenvalue problem for a wedge-like membrane.

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