Abstract
In this research, we analyze the existence and multiplicity of nonnegative solutions for a class of non-local elliptic problems with Dirichlet boundary conditions. The nonlinearity of the problem, in general, does not satisfy the Ambrosetti–Rabinowitz condition and is characterized by a concave–convex variable exponent function, exhibiting critical behavior at infinity. Using minimization arguments and Lebourg’s mean value theorem, and applying Ekeland’s variational principle together with the inverse function theorem, we obtain a ground state solution to the non-local elliptic problem in appropriate fractional Musielak spaces. Our main results generalize some recent findings in the literature to non-smooth cases.
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El-Houari, H., Hicham, M., Kassimi, S. et al. Fractional Musielak spaces: a class of non-local problem involving concave–convex nonlinearity. J Elliptic Parabol Equ (2023). https://doi.org/10.1007/s41808-023-00252-6
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DOI: https://doi.org/10.1007/s41808-023-00252-6
Keywords
- Fractional Musielak spaces
- Minimization arguments
- Ekeland’s variational principle
- Inverse function theorem
- Ground state solution