English
Related papers

Related papers: Soliton resolution for the complex short pulse equ…

200 papers

In this work, we employ the $\bar{\partial}$ steepest descent method in order to study the Cauchy problem of the cgNLS equations with initial conditions in weighted Sobolev space $H^{1,1}(\mathbb{R})=\{f\in L^{2}(\mathbb{R}): f',xf\in…

Analysis of PDEs · Mathematics 2020-12-23 Zhi-Qiang Li , Shou-Fu Tian , Jin-Jie Yang

In this paper, we study the Cauchy problem for the focusing nonlinear short-pluse equation by using $\overline\partial$ steepest descent method. \begin{align} &u_{xt}=u+\frac{1}{6}(u^3)_{xx}, \nonumber\\ &u(x,0)=u_0(x)\in…

Exactly Solvable and Integrable Systems · Physics 2020-05-26 Yiling Yang , Engui Fan

In this work, we employ the $\bar{\partial}$-steepest descent method to investigate the Cauchy problem of the Wadati-Konno-Ichikawa (WKI) equation with initial conditions in weighted Sobolev space $\mathcal{H}(\mathbb{R})$. The long time…

Exactly Solvable and Integrable Systems · Physics 2022-06-29 Zhi-Qiang Li , Shou-Fu Tian , Jin-Jie Yang

We address the long-time asymptotics of the solution to the Cauchy problem of ccSP (coupled complex short pulse) equation on the line for decaying initial data that can support solitons. The ccSP system describes ultra-short pulse…

Exactly Solvable and Integrable Systems · Physics 2025-05-29 Nan Liu , Ran Wang

In this work, the $\overline{\partial}$ steepest descent method is employed to investigate the soliton resolution for the Hirota equation with the initial value belong to weighted Sobolev space $H^{1,1}(\mathbb{R})=\{f\in L^{2}(\mathbb{R}):…

Analysis of PDEs · Mathematics 2021-01-18 Jin-Jie Yang , Shou-Fu Tian , Zhi-Qiang Li

In this paper, we study the long time asymptotic behavior for the Cauchy problem of the Novikov equation with $3\times 3$ matrix spectral problem \begin{align} &u_{t}-u_{txx}+4 u_{x}=3uu_xu_{xx}+u^2u_{xxx}, \nonumber &u(x,…

Mathematical Physics · Physics 2022-04-18 Yiling Yang , Engui Fan

The soliton resolution for the Harry Dym equation is established for initial conditions in weighted Sobolev space $H^{1,1}(\mathbb{R})$. Combining the nonlinear steepest descent method and $\bar{\partial}$-derivatives condition, we obtain…

Analysis of PDEs · Mathematics 2021-03-19 Lin Deng , Zhenyun Qin

The Degasperis-Procesi (DP) equation \begin{align} &u_t-u_{txx}+3\kappa u_x+4uu_x=3u_x u_{xx}+uu_{xxx}, \nonumber \end{align} serving as a model delineating the propagation of shallow water waves, stands as a completely integrable system…

Mathematical Physics · Physics 2024-08-28 Xuan Zhou , Zhaoyu Wang , Engui Fan

In this paper, we develop a Riemann-Hilbert (RH) approach to the Cauchy problem for the combined Wadati-Konno-Ichikawa and short-pulse (WKI-SP) equation. The solution of the Cauchy problem is first expressed in terms of the solution of a RH…

Mathematical Physics · Physics 2025-06-10 Yidan Zhang , Engui Fan

In this work, we employ the $\bar{\partial}$-steepest descent method to investigate the Cauchy problem of the nonlocal nonlinear Schr\"{o}dinger (NNLS) equation with finite density type initial conditions in weighted Sobolev space…

Exactly Solvable and Integrable Systems · Physics 2022-06-22 Shou-Fu Tian , Zhi-Qiang Li , Jin-Jie Yang

We study the Derivative Nonlinear Schr\"odinger equation for generic initial data in a weighted Sobolev space that can support bright solitons (but exclude spectral singularities). Drawing on previous well-posedness results, we give a full…

Analysis of PDEs · Mathematics 2018-05-23 Robert Jenkins , Jiaqi Liu , Peter Perry , Catherine Sulem

In this paper, we extend $\overline\partial$ steepest descent method to study the Cauchy problem for the nonlocal nonlinear Schr\"odinger (NNLS) equation with weighted Sobolev initial data %and finite density initial data \begin{align*}…

Analysis of PDEs · Mathematics 2023-11-28 Gaozhan Li , Yiling Yang , Engui Fan

For Lax-pair isospectral deformations whose associated spectrum, for given initial data, consists of the disjoint union of a finitely denumerable discrete spectrum (solitons) and a continuous spectrum (continuum), the matrix Riemann-Hilbert…

Exactly Solvable and Integrable Systems · Physics 2016-09-08 A. H. Vartanian

In this work, we investigate the Cauchy problem of the Wadati-Konno-Ichikawa (WKI) equation with finite density initial data. Employing the $\bar{\partial}$-generalization of Deift-Zhou nonlinear steepest descent method, we derive the long…

Analysis of PDEs · Mathematics 2021-09-15 Zhi-Qiang Li , Shou-Fu Tian , Jin-Jie Yang

Using the matrix Riemann-Hilbert factorization approach for nonlinear evolution systems which take the form of Lax-pair isospectral deformations and whose corresponding Lax operators contain both discrete and continuous spectra, the…

solv-int · Physics 2007-05-23 A. V. Kitaev , A. H. Vartanian

In this paper, we mainly investigate the long-time asymptotic behavior of the solution for the coupled dispersive AB system with weighted Sobolev initial data, which allows soliton solutions via the Dbar steepest descent method.Based on the…

Analysis of PDEs · Mathematics 2022-11-23 Jin-Yan Zhu , Yong Chen

We study the Cauchy problem for the focusing coupled nonlinear Schr\"odinger (CNLS) equation with initial data $\mathbf{q}_0$ lying in the weighted Sobolev space and the scattering data having $n$ simple zeros. Based on the corresponding…

Exactly Solvable and Integrable Systems · Physics 2026-02-24 Yubin Huang , Liming Ling , Xiaoen Zhang

We consider the Cauchy problem for the Gross-Pitaevskii (GP) equation. Using the DBAR generalization of the nonlinear steepest descent method of Deift and Zhou we derive the leading order approximation to the solution of the GP in the…

Analysis of PDEs · Mathematics 2016-03-28 Scipio Cuccagna , Robert Jenkins

We consider the Cauchy problem for the nonlinear Schroedinger eqiation with initial data close to a sum of N decoupled solitons. Under some suitable assumptions on the spectral structure of the one soliton linearizations we prove that for…

Mathematical Physics · Physics 2007-05-23 G. Perelman

The Cauchy problem of the modified nonlinear Schr\"{o}dinger (mNLS) equation with the finite density type initial data is investigated via $\overline{\partial}$ steepest descent method. In the soliton region of space-time $x/t\in(5,7)$, the…

Analysis of PDEs · Mathematics 2021-07-14 Jin-Jie Yang , Shou-Fu Tian , Zhi-Qiang Li
‹ Prev 1 2 3 10 Next ›