Abstract. In this paper, we consider a nonlinear elliptic problem involving the p-Laplacian with perturbation terms in the whole R N . Via variational arguments, we obtain existence and regularity of nontrivial solutions.
We study the following nonlinear eigenvalue problem with nonlinear Robin boundary conditionWe successfully investigate the existence at least of one nondecreasing sequence of positive eigenvalues λ n ∞ . To this end we endow W 1,p (Ω) with a norm invoking the trace and use the duality mapping on W 1,p (Ω) to apply mini-max arguments on C 1 -manifold. Classification (2010). 35J35, 35J40, 35J66, 58E05.
Mathematics Subject
AbstractIn this work, we investigate the spectrum denoted by Λ for the {p(x)}-biharmonic operator involving the Hardy term.
We prove the existence of at least one non-decreasing sequence of positive eigenvalues of this problem such that {\sup\Lambda=+\infty}.
Moreover, we prove that {\inf\Lambda>0} if and only if the domain Ω satisfies the {p(x)}-Hardy inequality.
We show some new Sobolev's trace embedding that we apply to prove that the fourth-order nonlinear boundary conditionsΔp2u+|u|p−2u=0inΩand−(∂/∂n)(|Δu|p−2Δu)=λρ|u|p−2uon∂Ωpossess at least one nondecreasing sequence of positive eigenvalues.
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