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Least energy sign-changing solutions of Kirchhoff equation on bounded domains
AIMS Mathematics 2022, 7(5): 8879-8890
Published: 15 May 2022
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We deal with sign-changing solutions for the Kirchhoff equation

{ ( a + b Ω | u | 2 d x ) Δ u = λ u + μ | u | 2 u , x Ω , u = 0 , x Ω ,

where a , b > 0 and λ , μ R being parameters, Ω R 3 is a bounded domain with smooth boundary Ω. Combining Nehari manifold method with the quantitative deformation lemma, we prove that there exists μ > 0 such that above problem has at least a least energy sign-changing (or nodal) solution if λ < a λ 1 and μ > μ , where λ 1 > 0 is the first eigenvalue of ( Δ u , H 0 1 ( Ω ) ). It is noticed that the nonlinearity λ u + μ | u | 2 u fails to satisfy super-linear near zero and super-three-linear near infinity, respectively.

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