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Quarterly of Applied Mathematics

Quarterly of Applied Mathematics

Online ISSN 1552-4485; Print ISSN 0033-569X

   
 
 

 

The Cauchy problem for a modified Euler-Poisson system in one dimension


Author: Long Wei
Journal: Quart. Appl. Math. 79 (2021), 667-693
MSC (2020): Primary 35Q35, 35B44
DOI: https://doi.org/10.1090/qam/1597
Published electronically: June 1, 2021
MathSciNet review: 4328143
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Abstract | References | Similar Articles | Additional Information

Abstract: The aim of this paper is to investigate the Cauchy problem for a modified Euler-Poisson system (mEP) in one dimension. We first establish the local well-posedness of this system, and then show that a finite maximal life span for a solution necessarily implies wave breaking. Some sufficient conditions on the initial data that lead to finite time wave-breaking of solutions are given. In addition, we provide a persistence result for solutions of the mEP system in weighted $L^p$-spaces.


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Additional Information

Long Wei
Affiliation: Department of Mathematics, Hangzhou Dianzi University, Hangzhou, Zhejiang 310018, People’s Republic of China
ORCID: 0000-0002-3789-8905
Email: lwei@hdu.edu.cn

Keywords: Modified Euler-Poisson system, wave breaking, persistent decay, asymptotic behavior
Received by editor(s): October 4, 2020
Received by editor(s) in revised form: April 11, 2021
Published electronically: June 1, 2021
Additional Notes: This research was supported by Zhejiang Provincial Natural Science Foundation of China under Grant No. LY21A010008
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