Fractional Kirchhoff problems with critical Trudinger–Moser nonlinearity
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TLDR
In this article, the existence of nonnegative solutions with negative energy was established by using Ekeland's variational principle, where the main feature consists in the presence of a (possibly degenerate) Kirchhoff model, combined with a critical Trudinger-Moser nonlinearity.Abstract:
This paper is concerned with the existence of solutions for a class of fractional Kirchhoff-type problems with Trudinger–Moser nonlinearity: $$\begin{aligned} {\left\{ \begin{array}{ll} M\left( \displaystyle \iint _{{\mathbb {R}}^{2N}}\frac{|u(x)-u(y)|^{N/s}}{|x-y|^{2N}}dxdy\right) (-\Delta )^{s}_{N/s}u=f(x,u)\,\, \ &{}\quad \mathrm{in}\ \Omega ,\\ u=0\ \ \ \ &{}\quad \mathrm{in}\ {\mathbb {R}}^N{\setminus } \Omega , \end{array}\right. } \end{aligned}$$
where $$(-\Delta )^{s}_{N/s}$$
is the fractional N / s-Laplacian operator, $$N\ge 1$$
, $$s\in (0,1)$$
, $$\Omega \subset {\mathbb {R}}^N$$
is a bounded domain with Lipschitz boundary, $$M:{\mathbb {R}}^+_0\rightarrow {\mathbb {R}}^+_0$$
is a continuous function, and $$f:\Omega \times {\mathbb {R}}\rightarrow {\mathbb {R}} $$
is a continuous function behaving like $$\exp (\alpha t^{2})$$
as $$t\rightarrow \infty $$
for some $$\alpha >0$$
. We first obtain the existence of a ground state solution with positive energy by using minimax techniques combined with the fractional Trudinger–Moser inequality. Next, the existence of nonnegative solutions with negative energy is established by using Ekeland’s variational principle. The main feature of this paper consists in the presence of a (possibly degenerate) Kirchhoff model, combined with a critical Trudinger–Moser nonlinearity.read more
Citations
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Nonlocal Kirchhoff Problems with Singular Exponential Nonlinearity
TL;DR: In this article, the existence and multiplicity of solutions for a class of perturbed fractional Kirchhoff type problems with singular exponential nonlinearity was investigated under some suitable assumptions, and the existence of two nontrivial and nonnegative solutions was obtained by using the mountain pass theorem and Ekeland's variational principle as the nonlinear term satisfies critical or subcritical exponential growth conditions.
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Combined effects of Choquard and singular nonlinearities in fractional Kirchhoff problems
Fuliang Wang,Die Hu,Mingqi Xiang +2 more
TL;DR: In this paper, the existence and multiplicity of solutions for a class of fractional Kirchho problems involving Choquard type nonlinearity and singular non-linearity were studied.
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Kirchhoff-type system with linear weak damping and logarithmic nonlinearities
TL;DR: For the nonlinear Kirchhoff-type wave system with logarithmic nonlinearities and weak dissipation, the global well-posedness of initial boundary value problem is analyzed in this article.
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Concentration phenomena for a class of fractional Kirchhoff equations in RN with general nonlinearities
TL;DR: In this article, the existence of a family of positive solutions ( u e ) which concentrates at a local minimum of V as e → 0 is proved. But the existence is not proved for the class of fractional Kirchhoff problems with subcritical or critical type.
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Least energy solutions for fractional Kirchhoff problems with logarithmic nonlinearity
Mingqi Xiang,Die Hu,Di Yang +2 more
TL;DR: In this article, the existence of least energy solutions to the following fractional Kirchhoff problem with logarithmic nonlinearity was studied and two local least-energy solutions were obtained by using the Nehari manifold approach.
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