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Published in 2021 at "Chinese Physics C"
DOI: 10.1088/1674-1137/ac1c67
Abstract: The matrix elements along the reduction chain Sp(12,R) \begin{document}$ \supset $\end{document} SU(1,1) \begin{document}$ \otimes $\end{document} SO(6) \begin{document}$ \supset $\end{document} U(1) \begin{document}$ \otimes $\end{document} SU \begin{document}$ _{pn} $\end{document} (3) \begin{document}$ \otimes $\end{document} SO(2) \begin{document}$ \supset $\end{document}…
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Published in 2017 at "Communications on Pure and Applied Analysis"
DOI: 10.3934/cpaa.2017077
Abstract: In this article we study the following quasilinear Schrodinger equation \begin{document}$-Δ u+V(x)u-Δ(u^{2})u=g(u), x∈ \mathbb{R}^{N},$ \end{document} where \begin{document}$ V(x)$\end{document} tends to some limit \begin{document}$V_{∞}>0 $\end{document} as \begin{document}$|x|\to∞ $\end{document} and \begin{document}$g∈ C(\mathbb{R},\mathbb{R}) $\end{document} . We prove the…
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Published in 2020 at "Communications on Pure and Applied Analysis"
DOI: 10.3934/cpaa.2020025
Abstract: We consider the boundary value problem \begin{document}$\begin{equation*} \begin{cases} -{\rm div}_G(w_1\nabla_G u) = w_2f(u) &\text{ in } \Omega,\\ u=0 &\text{ on } \partial\Omega, \end{cases}\end{equation*}$ \end{document} where \begin{document}$\Omega$\end{document} is a bounded or unbounded \begin{document}$C^1$\end{document} domain of \begin{document}$\mathbb{R}^N$\end{document}…
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Published in 2020 at "Communications on Pure and Applied Analysis"
DOI: 10.3934/cpaa.2020163
Abstract: In this paper, we are concerned with the following two-component system of Schrodinger equations with Hartree nonlinearity: \begin{document}$ \begin{equation*} \begin{cases} -\varepsilon ^{2}\Delta u+V_{1}\left( x\right) u+\lambda _{1}\left(I_{\varepsilon }\ast |u|^{p+1}\right)|u|^{p-1}u\\ \qquad\quad\; = \left(\mu _{1}|u|^{2p}+\beta(x) |u|^{q-1}|v|^{q+1}\right)u, & \text{in…
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Published in 2020 at "Communications on Pure and Applied Analysis"
DOI: 10.3934/cpaa.2020193
Abstract: In this paper we prove the existence of infinitely many radial solutions of \begin{document}$ \Delta u + K(r)f(u) = 0 $\end{document} on the exterior of the ball of radius \begin{document}$ R>0 $\end{document} , \begin{document}$ B_{R}…
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Published in 2020 at "Communications on Pure and Applied Analysis"
DOI: 10.3934/cpaa.2020213
Abstract: In our previous papers, we have given a systematic study on the global existence versus blowup problem for the small-data solution \begin{document}$ u $\end{document} of the multi-dimensional semilinear Tricomi equation \begin{document}$ \begin{equation*} \partial_t^2 u-t\, \Delta…
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Published in 2021 at "Communications on Pure and Applied Analysis"
DOI: 10.3934/cpaa.2021091
Abstract: The local well-posedness problem for the Maxwell-Klein-Gordon system in Coulomb gauge as well as Lorenz gauge is treated in two space dimensions for data with minimal regularity assumptions. In the classical case of data in…
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Published in 2021 at "Discrete and Continuous Dynamical Systems"
DOI: 10.3934/dcds.2021074
Abstract: We consider the following nonlocal critical equation \begin{document}$\begin{equation} -\Delta u = (I_{\mu_1}\ast|u|^{2_{\mu_1}^\ast})|u|^{2_{\mu_1}^\ast-2}u +(I_{\mu_2}\ast|u|^{2_{\mu_2}^\ast})|u|^{2_{\mu_2}^\ast-2}u,\; x\in\mathbb{R}^N, \;\;\;\;\;\;\;(1) \end{equation}$ \end{document} where \begin{document}$ 0 if \begin{document}$ N = 3 $\end{document} or \begin{document}$ 4 $\end{document} , and \begin{document}$ N-4\leq\mu_1,\mu_2 if…
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Published in 2020 at "Evolution Equations and Control Theory"
DOI: 10.3934/eect.2020081
Abstract: We consider sign-changing solutions of the equation \begin{document}$ (-{\Delta})^s u+\lambda u = |u|^{p-1}u \; \mbox{in}\; \mathbb R^n, $\end{document} where \begin{document}$ n\geq 1 $\end{document} , \begin{document}$ \lambda>0 $\end{document} , \begin{document}$ p>1 $\end{document} and \begin{document}$ 1 .…
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