GLOBAL EXISTENCE FOR THE CUBIC NONLINEAR SCHRODINGER EQUATION IN LOWER ORDER SOBOLEV SPACES

被引:0
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作者
Hayashi, Nakao [1 ]
Naumkin, Pavel I. [2 ]
机构
[1] Osaka Univ, Dept Math, Grad Sch Sci, Toyonaka, Osaka 5600043, Japan
[2] Inst Matemat, Morelia 58089, Michoacan, Mexico
关键词
SCATTERING;
D O I
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中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
We consider the Cauchy problem for the cubic nonlinear Schrodinger equation {iu(t) + 1/2u(xx) = u(3), x is an element of R, t > 0, u(0, x) = u(0)(x), x is an element of R. (0.1) The aim of the present paper is to consider problem (0.1) in low-order Sobolev spaces, when the initial data u(0) is an element of H(alpha) boolean AND H(0,alpha) with alpha >1/2. In our previous paper [7] we proved the global existence of solutions to (0.1) if the initial data u(0) is an element of H(2) boolean AND H(0,2). Also we find the large-time asymptotics of solutions.
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页码:801 / 828
页数:28
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