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Loomis-Whitney-type inequalities and low regularity well-posedness of the periodic Zakharov-Kuznetsov equation
Journal of Functional Analysis ( IF 1.7 ) Pub Date : 2021-03-01 , DOI: 10.1016/j.jfa.2020.108904 Shinya Kinoshita , Robert Schippa
Journal of Functional Analysis ( IF 1.7 ) Pub Date : 2021-03-01 , DOI: 10.1016/j.jfa.2020.108904 Shinya Kinoshita , Robert Schippa
Local well-posedness for the two-dimensional Zakharov-Kuznetsov equation in the fully periodic case with initial data in Sobolev spaces $H^s$, $s>1$, is proved. Frequency dependent time localization is utilized to control the derivative nonlinearity. The new ingredient to improve on previous results is a nonlinear Loomis-Whitney-type inequality.
中文翻译:
周期 Zakharov-Kuznetsov 方程的 Loomis-Whitney 型不等式和低正则适定性
证明了二维Zakharov-Kuznetsov方程在Sobolev空间$H^s$,$s>1$中初始数据完全周期情况下的局部适定性。利用频率相关的时间定位来控制导数非线性。改进先前结果的新要素是非线性 Loomis-Whitney 型不等式。
更新日期:2021-03-01
中文翻译:
周期 Zakharov-Kuznetsov 方程的 Loomis-Whitney 型不等式和低正则适定性
证明了二维Zakharov-Kuznetsov方程在Sobolev空间$H^s$,$s>1$中初始数据完全周期情况下的局部适定性。利用频率相关的时间定位来控制导数非线性。改进先前结果的新要素是非线性 Loomis-Whitney 型不等式。