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非线性双曲型Schrdinger方程L~2整体解的存在性
EXISTENCE OF GLOBAL L~2-SOLUTIONS OF NONELLIPTIC NLS EQUATIONS
【摘要】 本文讨论含L2次临界指数非线性项的广义Schrodinger方程柯西问题,用Strichartz不等式和压缩映射原理证明了在L2初值条件下方程有整体解,即u(t)∈C(R,L2(Rn)),而且证明了含L2临界指数非线性项的广义Schrodinger方程有小初值L2整体解.
【Abstract】 In the present paper the nonelliptic nonlinear Schrodinger (nonelliptic NLS) equation with L2 subcritical power is studied. An application of Strichartz’s inequality to the existence of L2- global solutions of nonelliptic NLS equation in the subcritical case is given and moreover, such solution u(t) ∈ C(R,H1(Rn)) if the initial date ψ0 ∈ H1(Rn).
【关键词】 双曲型Schrdinger方程;
柯西问题;
Strichartz不等式;
整体解;
【Key words】 Nonelliptic NLS equation; Cauchy problem; Strichartz’s inequality. Global solution;
【Key words】 Nonelliptic NLS equation; Cauchy problem; Strichartz’s inequality. Global solution;
- 【文献出处】 数学年刊A辑(中文版) ,Chinese Annals of Mathematics,series A , 编辑部邮箱 ,2005年04期
- 【分类号】O175.27
- 【下载频次】33