This article concerns the existence and multiplicity of positive solutions to the fractional Kirchhoff equation with critical indefinite nonlinearities by applying the Nehari manifold approach and fibering maps.
Yang, J., Chen, H., & Feng, Z. (2020). Multiple positive solutions to the fractional Kirchhoff problem with critical indefinite nonlinearities. Electronic Journal of Differential Equations, 2020(101), 1–21.
Electronic Journal of Differential Equations