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吴文俊数学重点实验室讲座【Avy Soffer 】
题目:Global existence, blow up and scattering for large data supercritical and other wave equations

 

报告人:Avy Soffer (Rutgers University)

 

时间:7月13日下午15:30-17:00

 

地点:管理科研楼1518

 

摘要:I present a new approach to classify the asymptotic behavior of certain classes of wave equations, supercritical and others, with large initial data. In some cases, as for Nirenberg type equations, a fairly complete classification of the solutions (finite time blowup or global existence and scattering) is proved.New results are obtained for the well known monomials wave equations in the sub, critical and super critical cases.This approach, developed jointly with M. Beceanu, is based on a new decomposition into incoming and outgoing waves for the wave equation, and the positivity of  the fundamental solution of the wave equation in three dimensions.

 

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中国科学院吴文俊数学重点实验室