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Using the correspondence between solutions to the SU(n+1) Toda system on a Riemann surface and totally unramified unitary curves, we show that a spherical metric $\omega$ generates a family of solutions, including…

Mathematical Physics · Physics 2026-01-22 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

On a compact Riemann surface (X) with finite punctures (P_1, \ldots, P_k), we define toric curves as multi-valued, totally unramified holomorphic maps to (\mathbb{P}^n) with monodromy in a maximal torus of ({\rm PSU}(n+1)). \textit{Toric…

Differential Geometry · Mathematics 2024-05-07 Jingyu Mu , Yiqian Shi , Bin Xu

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

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

This paper investigates the classification of solutions satisfying the polynomial energy growth condition near both the origin and infinity to the ${\mathrm SU}(n+1)$ Toda system on the punctured complex plane $\mathbb{C}^*$. The ${\mathrm…

Exactly Solvable and Integrable Systems · Physics 2025-04-15 Genan Zhao

We consider the singular $SU(3)$ Toda system with multiple singular sources \begin{align*} \left\{\begin{array}{ll}-\Delta w_1=2e^{2w_1}-e^{w_2}+2\pi\sum_{\ell=1}^m\beta_{1,\ell}\delta_{P_{\ell}}\quad\text{in }\mathbb{R}^2\\…

Analysis of PDEs · Mathematics 2020-05-06 Ali Hyder , Chang-Shou Lin , Juncheng Wei

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 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

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

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 Liouville theory on a Riemann surface of genus g by means of their associated Drinfeld--Sokolov linear systems. We discuss the cohomological properties of the monodromies of these systems. We identify the space of solutions of…

High Energy Physics - Theory · Physics 2009-10-22 E. Aldrovandi , L. Bonora

We consider solutions of a Toda system for SU(N+1) and show that any solution with finite exponential integral cam be obtained from a rational curve in complex projective space of dimension N

Mathematical Physics · Physics 2016-09-07 Juergen Jost , Guofang Wang

It is shown how to study the 2-D Toda system for SU(n+1) using Nevanlinna theory of meromorphic functions and holomorphic curves. The results generalize recent results of Jost - Wang and Chen - Li.

Analysis of PDEs · Mathematics 2008-08-08 Alexandre Eremenko

In this note we show non-degeneracy and uniqueness results for solutions of Toda systems associated to general simple Lie algebras with multiple singular sources on bounded domains. The argument is based on spectral properties of Cartan…

Analysis of PDEs · Mathematics 2023-02-27 Daniele Bartolucci , Aleks Jevnikar , Jiaming Jin , Chang-Shou Lin , Senli Liu

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

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

We develop a monotonicity formula for solutions of the fractional Toda system $$ (-\Delta)^s f_\alpha = e^{-(f_{\alpha+1}-f_\alpha)} - e^{-(f_\alpha-f_{\alpha-1})} \quad \text{in} \ \ \mathbb R^n,$$ when $0<s<1$, $\alpha=1,\cdots,Q$,…

Analysis of PDEs · Mathematics 2020-07-02 Mostafa Fazly , Wen Yang

We study the general form of the equations for isotropic single-scalar, multi-scalar and dyonic $p$-branes in superstring theory and M-theory, and show that they can be cast into the form of Liouville, Toda (or Toda-like) equations. The…

High Energy Physics - Theory · Physics 2009-10-07 H. Lu , C. N. Pope , K. W. Xu

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
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