Abstract
We consider a nonlinear unbalanced double-phase problem with a superlinear reaction and Robin boundary condition. Using suitable variants of the Nehari method, we show that the problem has three nontrivial solutions all with sign information (positive, negative and nodal).
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Acknowledgments
This work was supported by the National Natural Science Foundation of China (No. 12071098). The authors wish to thank a knowledgeable referee for his/her remarks and constructive criticism and for providing additional relevant references.
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Papageorgiou, N.S., Zhang, C. Multiple ground-state solutions with sign information for double-phase robin problems. Isr. J. Math. 253, 419–443 (2023). https://doi.org/10.1007/s11856-022-2370-y
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DOI: https://doi.org/10.1007/s11856-022-2370-y