Existence and multiplicity of nontrivial solutions for double resonance semilinear elliptic problems.
El Amrouss, Abdel R. (2002)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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El Amrouss, Abdel R. (2002)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Ayoujil, Abdesslem, El Amrouss, Abdel R. (2006)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Michal Fečkan (1995)
Annales Polonici Mathematici
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Existence results for critical points of asymptotically quadratic functions defined on Hilbert spaces are studied by using Morse-Conley index and pseudomonotone mappings. Applications to differential equations are given.
Di, Geng (2004)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Boumediene Abdellaoui, Veronica Felli, Ireneo Peral (2005)
Revista Matemática Complutense
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Using a perturbation argument based on a finite dimensional reduction, we find positive solutions to a given class of perturbed degenerate elliptic equations with critical growth.
Jeanjean, Louis (2011)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Danuta Rozpłoch-Nowakowska (1992)
Annales Polonici Mathematici
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A lower estimate is proved for the number of critical orbits and critical values of a G-invariant C¹ function , where G is a finite nontrivial group acting freely and orthogonally on . Neither Morse theory nor the minimax method is applied. The proofs are based on a general version of Borsuk’s Antipodal Theorem for equivariant maps of joins of G-sets.
da Silva, Edcarlos D. (2010)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Randa Ben Mahmoud, Hichem Chtioui (2011)
Annales de l’institut Fourier
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This paper is devoted to the existence of conformal metrics on with prescribed scalar curvature. We extend well known existence criteria due to Bahri-Coron.
Liu, Disheng, Geng, Di (2008)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Liu, Shibo (2001)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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El Amrouss, Abdel R., Moradi, Fouzia, Moussaoui, Mimoun (2006)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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