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Related papers: On $SU(3)$ Toda system with multiple singular sour…

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In this paper, we consider the following elliptic Toda system associated to a general simple Lie algebra with multiple singular sources \begin{equation*} \begin{cases} -\Delta…

Analysis of PDEs · Mathematics 2019-04-12 Ali Hyder , Juncheng Wei , Wen Yang

We study the $SU(3)$ Toda system with singular sources \[ \begin{cases} \Delta u+2e^{u}-e^v=4\pi\sum_{k=0}^m n_{1,k}\delta_{p_k}\quad\text{ on }\; E_{\tau},\\ \Delta v+2e^{v}-e^u=4\pi \sum_{k=0}^m n_{2,k}\delta_{p_k}\quad\text{ on }\;…

Analysis of PDEs · Mathematics 2021-09-27 Zhijie Chen , Chang-Shou Lin

This paper establishes certain existence and classification results for solutions to $SU(n)$ Toda systems with three singular sources at 0, 1, and $\infty$. First, we determine the necessary conditions for such an $SU(n)$ Toda system to be…

Analysis of PDEs · Mathematics 2016-10-12 Chang-Shou Lin , Zhaohu Nie , Juncheng Wei

We consider the ${\rm SU}(n+1)$ Toda system on a simply connected domain $\Omega$ in ${\Bbb C}$, the $n=1$ case of which coincides with the Liouville equation $\Delta u+8e^u=0$. A classical result by Liouville says that a solution of this…

Mathematical Physics · Physics 2022-12-02 Yiqian Shi , Chunhui Wei , Bin Xu

Consider a positive integer $n$ and $\gamma_1>-1,\cdots,\gamma_n>-1$. Let $D=\{z\in {\Bbb C}:|z|<1\}$, and let $(a_{ij})_{n\times n}$ denote the Cartan matrix of $\frak{su}(n+1)$. Utilizing the ordinary differential equation of $(n+1)$th…

Analysis of PDEs · Mathematics 2024-06-21 Jingyu Mu , Yiqian Shi , Tianyang Sun , Bin Xu

This paper studies solutions to a singular $SU(3)$ Toda system with linear source terms on a compact Riemann surface $\Sigma$ with smooth boundaries $\partial\Sigma$. We establish the existence of solutions when the parameters are not…

Analysis of PDEs · Mathematics 2025-05-30 Zhengni Hu

We study the following generalized $SU(3)$ Toda System $$ \left\{\begin{array}{ll} -\Delta u=2e^u+\mu e^v & \hbox{ in }\R^2\\ -\Delta v=2e^v+\mu e^u & \hbox{ in }\R^2\\ \int_{\R^2}e^u<+\infty,\ \int_{\R^2}e^v<+\infty \end{array}\right. $$…

Analysis of PDEs · Mathematics 2014-07-29 Francesca Gladiali , Massimo Grossi , Jun-cheng Wei

We consider the $SU(n+1)$ Toda system $$(S_\lambda) \quad \left\{ \begin{aligned} & \Delta u_1 + 2\lambda e^{u_1} - \lambda e^{u_2}- \dots - \lambda e^{u_k} = 0\quad \hbox{in}\ \Omega,\\ & \Delta u_2 - \lambda e^{u_1} + 2\lambda e^{u_2} -…

Analysis of PDEs · Mathematics 2016-04-14 Monica Musso , Angela Pistoia , Juncheng Wei

We consider the following Toda system \Delta u_i + \D \sum_{j = 1}^n a_{ij}e^{u_j} = 4\pi\gamma_{i}\delta_{0} \text{in}\mathbb R^2, \int_{\mathbb R^2}e^{u_i} dx < \infty, \forall 1\leq i \leq n, where $\gamma_{i} > -1$, $\delta_0$ is Dirac…

Analysis of PDEs · Mathematics 2015-06-03 Chang-Shou Lin , Dong Ye , Juncheng Wei

For singular $SU(3)$ Toda systems, we prove that the limit of energy concentration is a finite set. In addition, for fully bubbling solutions we use Pohozaev identity to prove a uniform estimate. Our results extend previous results of…

Analysis of PDEs · Mathematics 2016-01-20 Changshou Lin , Juncheng Wei , Lei Zhang

In this article we prove that for locally defined singular SU(n+1) Toda systems in R^2, the profile of fully bubbling solutions near the singular source can be accurately approximated by global solutions. The main ingredients of our new…

Analysis of PDEs · Mathematics 2015-05-27 Chang-Shou Lin , Juncheng Wei , Lei Zhang

In analogy with the Liouville case we study the $sl_3$ Toda theory on the lattice and define the relevant quadratic algebra and out of it we recover the discrete $W_3$ algebra. We define an integrable system with respect to the latter and…

High Energy Physics - Theory · Physics 2009-10-30 L. Bonora , L. P. Colatto , C. P. Constantinidis

We solve a super Toda system on a closed Riemann surface of genus~$\gamma>1$ and with some particular spin structures. This generalizes the min-max methods and results for super Liouville equations and gives new existence results for super…

Analysis of PDEs · Mathematics 2023-06-09 Aleks Jevnikar , Ruijun Wu

We consider the existence problem of the following Singular Toda system on a compact Riemann surface $(\Sigma, g)$ without boundary \begin{equation*} \begin{cases}…

Analysis of PDEs · Mathematics 2024-12-19 Qiang Fei

We consider the SU(3) Toda system on a compact surface. We give both existence and non-existence results under some conditions on the parameters. Existence results are obtained using variational methods, which involve a geometric inequality…

Analysis of PDEs · Mathematics 2016-01-29 Luca Battaglia , Andrea Malchiodi

Motivated by the study of non abelian Chern Simons vortices of non topological type in Gauge Field Theory, we analyse the solvability of planar Liouville systems of Toda type in presence of singular sources. We identify necessary and…

Analysis of PDEs · Mathematics 2016-06-22 Arkady Poliakovsky , Gabriella Tarantello

In this paper, we are concerned with the weighted elliptic system \begin{equation*} \begin{cases} -\Delta u=|x|^{\beta} v^{\vartheta},\\ -\Delta v=|x|^{\alpha} |u|^{p-1}u, \end{cases}\quad \mbox{in}\;\ \Omega, \end{equation*}where $\Omega$…

Analysis of PDEs · Mathematics 2014-08-25 Liang-Gen Hu

In this paper, the classification in [Lin,Wei,Ye] of solutions to Toda systems of type $A$ with singular sources is generalized to Toda systems of types $C$ and $B$. Like in the $A$ case, the solution space is shown to be parametrized by…

Analysis of PDEs · Mathematics 2015-08-26 Zhaohu Nie

In this paper, we continue to consider the 2-dimensional (open) Toda system (Toda lattice) for $SU(N+1)$. We give a much more precise bubbling behavior of solutions and study its existence in some critical cases

Analysis of PDEs · Mathematics 2016-08-16 Jürgen Jost , Chang-Shou Lin , Guofang Wang

We study the following Liouville system defined on a flat torus \begin{equation} \left\{ \begin{array}{lr} -\Delta u_i=\sum_{j=1}^n a_{ij}\rho_j\Big(\frac{h_j e^{u_j}}{\int_\Omega h_j e^{u_j}}-1\Big),\nonumber \\ u_j\in…

Analysis of PDEs · Mathematics 2025-10-16 Zetao Cheng , Haoyu Li , Lei Zhang
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