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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2509.14681 |
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Table of Contents:
- In this paper, we consider the existence of normalized solution to the following Kirchhoff equation with mixed Choquard type nonlinearities: \begin{equation*} \begin{cases} -\left(a + b \int_{\mathbb{R}^3} |\nabla u|^2 \, dx\right) Δu - λu = μ|u|^{q-2} u + (I_α* |u|^{α+ 3}) |u|^{α+1} u, \quad x \in \mathbb{R}^3, \\ \int_{\mathbb{R}^3} u^2 \, dx = ρ^2, \end{cases} \end{equation*} where $a,b,ρ>0$, $α\in \left(0, 3\right)$, $\frac{14}{3} < q < 6$ and $λ\in \mathbb{R}$ will arise as a Lagrange multiplier. The quantity $α+ 3$ here represents the upper critical exponent relevant to the Hardy-Littlewood-Sobolev inequality, and this exponent can be regarded as equivalent to the Sobolev critical exponent $2^*$. We generalize the results by Wang et al.(Discrete and Continuous Dynamical Systems, 2025), which focused on nonlinear Kirchhoff equations with combined nonlinearities when $2< q< \frac{10}{3}$. The primary challenge lies in the necessity for subtle energy estimates under the \(L^2\)-constraint to achieve compactness recovery. Meanwhile, we need to deal with the difficulties created by the two nonlocal terms appearing in the equation.