Various half-eigenvalues of scalar -Laplacian with indefinite integrable weights.
Li, Wei, Yan, Ping (2009)
Abstract and Applied Analysis
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Li, Wei, Yan, Ping (2009)
Abstract and Applied Analysis
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Lami Dozo, E., Godoy, T., Paczka, S. (2002)
Rendiconti del Seminario Matematico
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Eastham, M.S.P., Kong, Q., Wu, H., Zettl, A. (1999)
Journal of Inequalities and Applications [electronic only]
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J. Fleckinger, J. Hernández, F. Thélin (2004)
Bollettino dell'Unione Matematica Italiana
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We study the existence of principal eigenvalues for differential operators of second order which are not necessarily in divergence form. We obtain results concerning multiplicity of principal eigenvalues in both the variational and the general case. Our approach uses systematically the Krein-Rutman theorem and fixed point arguments for the spectral radius of some associated problems. We also use a variational characterization for both the self-adjoint and the general case.
O. A. Olejnik (1989)
Journées équations aux dérivées partielles
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Eberhard, W., Freiling, G., Schneider, A. (1992)
International Journal of Mathematics and Mathematical Sciences
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Benedikt, Jiří (2004)
Abstract and Applied Analysis
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Jan Bochenek (1971)
Annales Polonici Mathematici
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Julián Fernández Bonder, Julio D. Rossi (2002)
Publicacions Matemàtiques
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In this paper we study the Sobolev trace embedding W(Ω) → L (∂Ω), where V is an indefinite weight. This embedding leads to a nonlinear eigenvalue problem where the eigenvalue appears at the (nonlinear) boundary condition. We prove that there exists a sequence of variational eigenvalues λ / +∞ and then show that the first eigenvalue is isolated, simple and monotone with respect to the weight. Then we prove a nonexistence result related to the first eigenvalue and we end...