In this paper, we investigate the modified two-component Camassa-Holm equation with κ≠0 on the real line. Firstly, we establish sufficient conditions on the initial data to guarantee that the corresponding solution blows up in finite time for the modified two-component Camassa-Holm (MCH2) system. Then an infinite propagation speed for MCH2 is proved in the following sense: the corresponding solution u(x,t)+κ with compactly supported initial data (u0(x)+κ,ρ0(x)) does not have compact x-support in its lifespan.
机构:
Sun Yat Sen Univ, Inst Francochinois Energie Nucl, Guangzhou 510275, Guangdong, Peoples R ChinaSun Yat Sen Univ, Inst Francochinois Energie Nucl, Guangzhou 510275, Guangdong, Peoples R China
Guan, Chunxia
Yin, Zhaoyang
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机构:
Sun Yat Sen Univ, Dept Math, Guangzhou 510275, Guangdong, Peoples R ChinaSun Yat Sen Univ, Inst Francochinois Energie Nucl, Guangzhou 510275, Guangdong, Peoples R China