Mathematical Methods in the Applied Sciences | Vol.39, Issue.15 | | Pages
Existence of solutions for critical fractional Kirchhoff problems
Consider the following fractional Kirchhoff equations involving critical exponent: 1+λ1∫RN(|(−Δ)α2u|2+V(x)u2)dx[(−Δ)αu+V(x)u]=k(x)f(u)+λ2|u|2α∗−2uinRN, where (−Δ)α is the fractional Laplacian operator with α∈(0,1), N≥2, λ1≥0, λ2>0 and 2α∗=2N/(N−2α) is the critical Sobolev exponent, V(x) and k(x) are functions satisfying some extra hypotheses. Based on the principle of concentration compactness in the fractional Sobolev space, the minimax arguments, Pohozaev identity, and suitable truncation techniques, we obtain the existence of a nontrivial weak solution for the previously mentioned equations without assuming the Ambrosetti–Rabinowitz condition on the subcritical nonlinearity f. Copyright © 2016 John Wiley & Sons, Ltd.
Original Text (This is the original text for your reference.)
Existence of solutions for critical fractional Kirchhoff problems
Consider the following fractional Kirchhoff equations involving critical exponent: 1+λ1∫RN(|(−Δ)α2u|2+V(x)u2)dx[(−Δ)αu+V(x)u]=k(x)f(u)+λ2|u|2α∗−2uinRN, where (−Δ)α is the fractional Laplacian operator with α∈(0,1), N≥2, λ1≥0, λ2>0 and 2α∗=2N/(N−2α) is the critical Sobolev exponent, V(x) and k(x) are functions satisfying some extra hypotheses. Based on the principle of concentration compactness in the fractional Sobolev space, the minimax arguments, Pohozaev identity, and suitable truncation techniques, we obtain the existence of a nontrivial weak solution for the previously mentioned equations without assuming the Ambrosetti–Rabinowitz condition on the subcritical nonlinearity f. Copyright © 2016 John Wiley & Sons, Ltd.
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