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A note on the Cauchy problem for the two-component Novikov system
Journal of Evolution Equations ( IF 1.4 ) Pub Date : 2021-01-02 , DOI: 10.1007/s00028-020-00657-z
Haiquan Wang , Gezi Chong , Lili Wu

Considered herein is the initial value problem for the two-component Novikov system with peakons. Based on the local well-posedness results for this problem, it is shown that the solution map \(z_{0}\mapsto z(t)\) of this problem in the periodic case is not uniformly continuous in Besov spaces \(B^{s}_{p,r}({\mathbb {T}})\times B^{s}_{p,r}({\mathbb {T}}) \) with \(s>\max \{5/2,2+1/p\}, 1\le p,r\le \infty \) and \(B^{5/2}_{2,1}({\mathbb {T}})\times B^{5/2}_{2,1}({\mathbb {T}})\) through the method of approximate solutions. Furthermore, it is in the non-periodic case that the non-uniform continuity of this solution map in Besov spaces \(B^{s}_{p,r}({\mathbb {R}})\times B^{s}_{p,r}({\mathbb {R}})\) with \(s>\max \{5/2,2+1/p\}, 1\le p,r\le \infty \) is discussed by constructing new subtle initial data. Finally, the Hölder continuity of the solution map in Besov spaces is proved.



中文翻译:

关于两成分Novikov系统的柯西问题的一个注记

这里考虑的是具有峰值的两组分Novikov系统的初值问题。根据该问题的局部适定性结果,表明该问题在周期情况下的解映射\(z_ {0} \ mapsto z(t)\)在Besov空间\(B ^ {S} _ {p,R}({\ mathbb【T}})\倍乙^ {S} _ {p,R}({\ mathbb【T}})\)\(S> \最大\ {5 / 2,2 + 1 / p \},1 \ le p,r \ le \ infty \)\(B ^ {5/2} _ {2,1}({\ mathbb {T}} )通过近似解的方法乘以B ^ {5/2} _ {2,1}({\ mathbb {T}})\)。此外,在非周期情况下,此解映射在Besov空间\(B ^ {s} _ {p,r}({\ mathbb {R}})\ x B ^ { s} _ {p,r}({\ mathbb {R}})\)通过构造新的细微初始数据来讨论\(s> \ max \ {5 / 2,2 + 1 / p \},1 \ le p,r \ le \ infty \)。最后,证明了Besov空间中解图的Hölder连续性。

更新日期:2021-01-03
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