Mathematics – Analysis of PDEs
Scientific paper
2009-07-29
Mathematics
Analysis of PDEs
33pages
Scientific paper
We investigate the global existence and scattering for the Fourth-order
Schr\"{o}dinger equation in the low regularity space $H^s(\R^n)$, $s<2$. We
provide an alternative approach to obtain a new Morawetz interactive estimate
and extend the range of the dimension of the interactive estimate in Pausader
\cite{P08} by modifying a tensor product method appeared in \cite{CGT}.
Miao Changxing
Wu Haigen
Zhang Junyong
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