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In the paper, we consider the initial value problem to the Camassa-Holm equation in the real-line case. Based on the local well-posedness result and the lifespan, we proved that the data-to-solution map of this problem is not uniformly…

Analysis of PDEs · Mathematics 2020-01-07 Jinlu Li , Yanghai Yu , Weipeng Zhu

In this paper, we investigate the continuous dependence on initial data of solutions to the Euler-Poincar\'{e} system. By constructing a sequence approximate solutions and calculating the error terms, we show that the data-to-solution map…

Analysis of PDEs · Mathematics 2020-01-08 Jinlu Li , Li Dai , Weipeng Zhu

In this paper, we investigate the dependence on initial data of solutions to higher dimensional Camassa-Holm equations. We show that the data-to-solution map is not uniformly continuous dependence in Besov spaces…

Analysis of PDEs · Mathematics 2020-03-24 Jinlu Li , Wei Deng , Min Li

In the paper, we revisit the uniform continuity properties of the data-to-solution map of the Camassa--Holm equation on the real-line case. We show that the data-to-solution map of the Camassa--Holm equation is not uniformly continuous on…

Analysis of PDEs · Mathematics 2024-02-14 Jinlu Li , Yanghai Yu , Weipeng Zhu

In this paper, we investigate the dependence on initial data of solutions to the Novikov equation. We show that the solution map is not uniformly continuous dependence on the initial data in Besov spaces $B^s_{p,r}(\R),\ s>\max\{1+\frac…

Analysis of PDEs · Mathematics 2020-02-04 Jinlu Li , Min Li , Weipeng Zhu

In this paper, we show that the solution map of the two-component Novikov system is not uniformly continuous on the initial data in Besov spaces $B_{p, r}^{s-1}(\mathbb{R})\times B_{p, r}^s(\mathbb{R})$ with $s>\max\{1+\frac{1}{p},…

Analysis of PDEs · Mathematics 2020-11-24 Xing Wu , Jie Cao

Considered in this paper is the generalized Camassa-Holm-Novikov equation with high order nonlinearity, which unifies the Camassa-Holm and Novikov equations as special cases. We show that the solution map of generalized Camassa-Holm-Novikov…

Analysis of PDEs · Mathematics 2021-10-27 Xing Wu , Yanghai Yu , Yu Xiao

We prove the non-uniform continuity of the data-to-solution map of the incompressible Euler equations in Besov spaces $B_{p,q}^{s}$, where the parameters $p, q$ and $s$ considered here are such that the local existence and uniqueness result…

Analysis of PDEs · Mathematics 2019-11-12 Jose Pastrana

Whether or not the data-to-solution map of the Cauchy problem for the Camassa-Holm equation and Novikov equation in the critical Besov space $B_{2,1}^{3/2}(\R)$ is not uniformly continuous remains open. In the paper, we aim at solving the…

Analysis of PDEs · Mathematics 2020-07-10 Jinlu Li , Xing Wu , Yanghai Yu , Weipeng Zhu

We start with the classic result that the Cauchy problem for ideal compressible gas dynamics is locally well posed in time in the sense of Hadamard; there is a unique solution that depends continuously on initial data in Sobolev space $H^s$…

Analysis of PDEs · Mathematics 2016-11-18 Barbara Lee Keyfitz , Feride Tiglay

In this paper, we establish the continuous dependence for the non-resistive MHD equations in Sobolev spaces. Our obtained result fills considerably the recent result [C. Fefferman, D. McCormick, J. Robinson and J. Rodrigo, Higher order…

Analysis of PDEs · Mathematics 2018-11-26 Jinlu Li , Zhaoyang Yin , Weipeng Zhu

In this paper, we consider the solution map of the initial value problem to the two-component Camassa-Holm equation on the line. We prove that the solution map of this problem is not uniformly continuous in Sobolev spaces $H^s(\R)\times…

Analysis of PDEs · Mathematics 2020-10-20 Jinlu Li , Yanghai Yu , Weipeng Zhu

The Cauchy problem for the two dimensional compressible Euler equations with data in the Sobolev space $H^s(\mathbb R^2)$ is known to have a unique solution of the same Sobolev class for a short time, and the data-to-solution map is…

Analysis of PDEs · Mathematics 2016-11-21 John Holmes , Barbara Lee Keyfitz , Feride Tiglay

By constructing a series of perturbation functions through localization in the Fourier domain and translation, we show that the data-to-solution map for the Euler-Poincar\'e equations is nowhere uniformly continuous in $B^s_{p,r}(\mathbb{R}…

Analysis of PDEs · Mathematics 2023-06-21 Min Li

This paper establishes non-uniform continuity of the data-to-solution map in the periodic case, for the two-component Fornberg-Whitham system in Besov spaces $B^s_{p,r}(\mathbb{T}) \times B^{s-1}_{p,r}(\mathbb{T})$ for $s>…

Analysis of PDEs · Mathematics 2024-09-02 Prerona Dutta , Barbara Lee Keyfitz

The failure of uniform dependence on the data is an interesting property of classical solution for a hyperbolic system. In this paper, we consider the solution map of the Cauchy problem to the 2D viscous shallow water equations which is a…

Analysis of PDEs · Mathematics 2020-12-01 Jinlu Li , Yanghai Yu , Weipeng Zhu

In this paper, we consider the Cauchy problem of a two-component b-family system, which includes the two-component Camassa-Holm system and the two-component Degasperis-Procesi system. It is shown that the solution map of the two-component…

Analysis of PDEs · Mathematics 2021-05-03 Xing Wu , Cui Li , Jie Cao

In this paper, we investigate the continuity of solution to the Euler-Poincar\'{e} equations. We show that the continuity of the solution cannot be improved to the H\"{o}lder continuity. That is, the solution of the Euler-Poincar\'{e}…

Analysis of PDEs · Mathematics 2024-02-02 Guorong Qu , Min Li

End-point maximal $L^1$-regularity for parabolic initial-boundary value problems is considered. For the inhomogeneous Dirichlet and Neumann data, maximal $L^1$-regularity for initial-boundary value problems is established in time end-point…

Analysis of PDEs · Mathematics 2021-11-05 Takayoshi Ogawa , Senjo Shimizu

It is shown in \cite[Adv. Differ. Equ(2017)]{HT} that the Cauchy problem for the generalized Camassa-Holm equation is well-posed in $C^1$ and the data-to-solution map is H\"{o}lder continuous from $C^\alpha$ to $\mathcal{C}([0,T];C^\alpha)$…

Analysis of PDEs · Mathematics 2024-05-29 Yanghai Yu , Fang Liu
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