Journal
APPLICABLE ANALYSIS
Volume 92, Issue 6, Pages 1116-1137Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/00036811.2011.649735
Keywords
the Novikov equation; local well-posedness; ill-posedness; Besov spaces; lower semicontinuity; peakon solutions; 35G25; 35L05
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Funding
- NSFC [10971235]
- RFDP [200805580014]
- NCET [NCET-08-0579]
- Sun Yat-sen University
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In this article, we mainly study the Cauchy problem of the Novikov equation. We first establish local well-posedness of the equation in Besov space . Then we derive a lower bound for the maximal existence time and lower semicontinuity of the existence time. Finally, we prove that the equation is ill-posed in by peakon solutions which exist globally in time to the equation.
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