A note on bilinear estimates and regularity of flow maps for nonlinear dispersive equations

被引:5
|
作者
Herr, Sebastian [1 ]
机构
[1] Tech Univ Dortmund, Fak Math, D-44221 Dortmund, Germany
关键词
failure of bilinear estimates; periodic Benjamin-Ono equation;
D O I
10.1090/S0002-9939-08-09238-1
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
Explicit counterexamples to bilinear estimates related to the Benjamin-Ono equation in the periodic setting are calculated for functions of zero mean value. As a consequence, certain bilinear estimates fail to hold in spite of the analyticity of the flow map. The latter has been shown recently by L. Molinet.
引用
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页码:2881 / 2886
页数:6
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