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Related papers: On the Toda systems of VHS type

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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

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 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

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 prove symmetry and uniqueness results for three classes of Liouville-type problems arising in geometry and mathematical physics: asymmetric Sinh-Gordon equation, cosmic string equation and Toda system, under certain assumptions on the…

Analysis of PDEs · Mathematics 2018-09-27 Changfeng Gui , Aleks Jevnikar , Amir Moradifam

This study reports on the evolution of the probability distribution in the configuration space of the two-dimensional Toda system. The distribution is characterized by singularities, which predominantly take two forms: double-cusped…

Exactly Solvable and Integrable Systems · Physics 2025-03-18 Srdjan Petrovic , Nikola Starcevic , Nace Stojanov , Liang Huang

For all rank two Toda systems with an arbitrary singular source, we use a unified approach to prove: (i) The pair of local masses $(\sigma_1,\sigma_2)$ at each blowup point has the expression $$\sigma_i=2(N_{i1}\mu_1+N_{i2}\mu_2+N_{i3}),$$…

Analysis of PDEs · Mathematics 2018-03-16 Changshou Lin , Juncheng Wei , Wen Yang , Lei Zhang

We consider the Toda system on a compact surface. We give existence and multiplicity results, using variational and Morse-theoretical methods. It is the first existence result when some of the coefficients of the singularities are allowed…

Analysis of PDEs · Mathematics 2014-11-13 Luca Battaglia

In this note, we consider blow-up for solutions of the SU(3) Toda system on a compact surface \Sigma. In particular, we give a complete proof of the compactness result stated by Jost, Lin and Wang and we extend it to the case of…

Analysis of PDEs · Mathematics 2015-04-20 Luca Battaglia , Gabriele Mancini

We consider monopole and dyon classical solutions of the Yang-Mills-Higgs system coupled to gravity in asymptotically anti-de Sitter space. We discuss both singular and regular solutions to the second order equations of motion showing that…

High Energy Physics - Theory · Physics 2010-11-19 Adrian R. Lugo , Fidel A. Schaposnik

Orbital and asymptotic stability for 1-soliton solutions to the Toda lattice equations as well as small solitary waves to the FPU lattice equations are established in the energy space. Unlike analogous Hamiltonian PDEs, the lattice…

Analysis of PDEs · Mathematics 2007-11-15 Tetsu Mizumachi

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

The Tolman-Oppenheimer-Volkoff (TOV) equation admits singular solutions in addition to regular ones. Here, we prove the following theorem. For any equation of state that (i) is obtained from an entropy function, (ii) has positive pressure…

General Relativity and Quantum Cosmology · Physics 2021-06-09 Charis Anastopoulos , Ntina Savvidou

In this paper, we study the solutions of Toda systems on Riemann surface in the critical case, we prove a sufficient condition for the existence of solutions of Toda systems.

Analysis of PDEs · Mathematics 2007-05-23 Jiayu Li , Yuxiang Li

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

The Hamiltonian structure of the two-dimensional dispersionless Toda hierarchy is studied, this being a particular example of a system of hydrodynamic type. The polynomial conservation laws for the system turn out, after a change of…

solv-int · Physics 2020-12-16 D. B. Fairlie , I. A. B. Strachan

We construct a new class of positive solutions for a classical semilinear elliptic problem in the plane which arise for instance as the standing-wave problem for the standard nonlinear Schr\"odinger equation or in nonlinear models in…

Analysis of PDEs · Mathematics 2007-10-04 Manuel del Pino , Michał Kowalczyk , Frank Pacard , Juncheng Wei

A multi-linear variable separation approach is developed to solve a differential-difference Toda equation. The semi-discrete form of the continuous universal formula is found for a suitable potential of the differential-difference Toda…

Exactly Solvable and Integrable Systems · Physics 2007-05-23 Xian-min Qian , Sen-yue Lou , Xing-biao Hu

This paper has two purposes. The first is to classify all those versions of the Toda equations which govern the existence of $\tau$-primitive harmonic maps from a surface into a homogeneous space $G/T$ for which $G$ is a noncomplex…

Differential Geometry · Mathematics 2025-04-18 Ian McIntosh

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
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