Abstract
We study the fourth order nonlinear problem with a p(x)-biharmonic operators
where \(\Omega \in \mathbb {R}^{N}\) with \(N\ge 2\) is a bounded domain with smooth boundary, \(\lambda \), \(\mu \) are positive real numbers, \(p_{1}\), \(p_{2}\), q and \(\alpha \) are continuous functions on \(\overline{\Omega }\), \(V_1\) and \(V_2\) are weight functions in a generalized Lebesgue spaces \(L^{s_1(x)}(\Omega )\) and \(L^{s_2(x)}(\Omega )\) respectively such that \(V_1\) may change sign in \(\Omega \) and \(V_2\ge 0\) on \(\Omega \). We established an existence results using variational approaches and Ekeland’s variational principle.
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Kefi, K. For a class of p(x)-biharmonic operators with weights. RACSAM 113, 1557–1570 (2019). https://doi.org/10.1007/s13398-018-0567-z
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DOI: https://doi.org/10.1007/s13398-018-0567-z