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Davey-Stewartson系统粗糙爆破解的极限行为

Limiting Behavior of Rough Blow-up Solutions to the Davey-Stewartson System
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摘要 研究了Davey-Stewartson系统(简记为D-S系统)粗糙爆破解的动力学性质.所谓粗糙爆破解即为正则性为H^s(s<1)的爆破解,此时D-S系统粗糙解不再满足能量守恒率.利用I-方法与Profile分解理论,得到了D-S系统粗糙爆破解在H^s(R^2)(其中s>s_0,且s_0≤(1+11^(1/2))/5≈0.8633)中的极限行为,包括L^2强极限的不存在性与L^2集中性质以及极限图景. This paper deals with the dynamical properties of the rough blow-up solutions, which are the solutions in the lower regular space Hs with s 〈 1, to Davey-Stewartson system: In this case, there is no conservation of energy. By using the/-method and profile decomposition argument, we obtain the limiting profile, non-existence of L2 strong limit and L2 concentration of the rough blow-up solutions in H^S(R^2) with s 〉 sn, where s0≤(1+√11)/5≈0.8633.
作者 杨晗 朱世辉
出处 《数学年刊(A辑)》 CSCD 北大核心 2017年第3期243-256,共14页 Chinese Annals of Mathematics
基金 国家自然科学基金(No.11371267 No.11501395) 四川省杰出青年基金(No.2014JQ0039)的资助
关键词 Davey-Stewartson系统 粗糙爆破解 极限图景 L^2质量集中 Davey-Stewartson system, Rough blow-up solution, Limitingprofile, L^2 concentration
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