2002-Fez conference on Partial Differental Equations,
Electron. J. Diff. Eqns., Conf. 09, 2002, pp. 161-170.

On the spectrum of the p-biharmonic operator

Abdelouahed El Khalil, Siham Kellati & Abdelfattah Touzani

Abstract:
This work is devoted to the study of the spectrum for p-biharmonic operators with an indefinte weight in a bounded domain.

Published December 28, 2002.
Subject classfications: 35P30, 34C23.
Key words: p-biharmonic operator, Duality mapping, Palais-Smale condition, unbounded weight.

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Abdelouahed El Khalil
Department of Mathematics and Informatic,
Faculty of Sciences Dhar-Mahraz,
P.O. Box 1796 Atlas-Fez, Morocco
e-mail: lkhlil@hotmail.com
Siham Kellati
Department of Mathematics and Informatic,
Faculty of Sciences Dhar-Mahraz,
P.O. Box 1796 Atlas-Fez, Morocco
e-mail: siham360@caramail.com
Abdelfattah Touzani
Department of Mathematics and Informatic,
Faculty of Sciences Dhar-Mahraz,
P.O. Box 1796 Atlas-Fez, Morocco
e-mail: atouzani@iam.net.ma

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