Advances in Difference Equations (Mar 2021)
A Kirchhoff-type problem involving concave-convex nonlinearities
Abstract
Abstract A Kirchhoff-type problem with concave-convex nonlinearities is studied. By constrained variational methods on a Nehari manifold, we prove that this problem has a sign-changing solution with least energy. Moreover, we show that the energy level of this sign-changing solution is strictly larger than the double energy level of the ground state solution.
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