Electron. J. Diff. Eqns., Vol. 2007(2007), No. 04, pp. 1-11.

Global well-posedness of the Cauchy problem of a higher-order Schrodinger equation

Hua Wang

Abstract:
We apply the I-method to prove that the Cauchy problem of a higher-order Schrodinger equation is globally well-posed in the Sobolev space $H^{s}(\mathbb{R})$ with s>6/7.

Submitted September 7, 2006. Published January 2, 2007.
Math Subject Classifications: 35Q53, 35Q35.
Key Words: Higher order Schrodinger equation; global well-posedness; I-method.

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Hua Wang
Department of Mathematics
Sun Yat-Sen University
Guangzhou, Guangdong 510275, China
email: wanghua_math@126.com

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