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关于举行乔志军教授学术报告的通知

发布时间:2017-04-12文章来源:浏览次数:50

关于举行乔志军教授学术报告的通知

报告题目:A generalized Camassa-Holm equation and its peakon solutions

:乔志军教授(美国德克萨斯大学)

报告时间:614日(周日)上午10:30  

报告地点:4号楼4318

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                                                       数学学院

                                                二零一五年六月十二日

报告摘要:

In this work, we study anintegrable system with both quadratic and cubic nonlinearity. Thismodel is kind of a cubic generalization of the Camassa-Holm (CH)equation. The equation is shown integrable with its Lax pair,bi-Hamiltonian structure, and infinitely many conservation laws. Inthe case of no linear term, the peaked soliton (peakon) andmulti-peakon solutions are presented. In particular, the two-peakondynamical system is explicitly presented and their collisions areinvestigated in details. In some special case, the weak kink andkink-peakon interactional solutions are found. Significant differencefrom the CH equation is analyzed through a comparison. In the paper,we also study all possible smooth one-soliton solutions for thesystem.

 

报告人简介:

乔志军于1997得复旦大学数学系博士学位,从谷超豪院士和胡和生院士。1999得百篇秀博士毕业论文。1997-2001宁大学数学系教授;1999-2001,德国,卡塞尔综合大学,数学系,洪堡基金研究任教于美国德克斯大学数学系,身教授。主管研究生目,30多位海外家合作者,5位博士后及超20位研究生。研究方向是非线性偏微分方程,可,孤立子理,可辛映射,R-,雷达理和数学物理的反问题已出版著作2部,130余篇,其中包括著名国际杂志《数学物理学通》《非线性科学》等。为项负责人已完成10多个个国家目。组织20个国、研会。