Sharp decay characterization for the compressible Navier-Stokes equations

发布者:吴敏发布时间:2024-07-03浏览次数:10

江苏省应用数学(中国矿业大学)中心系列学术报告

报告题目Sharp decay characterization for the compressible Navier-Stokes equations

报告人:徐江(南京航空航天大学教授、博士生导师)

报告时间:202474日(周四)上午10:00-11:00

腾讯会议:会议ID356-514-584

主持人:田守富

报告摘要:The low-frequency assumption has been extensively applied to the large-time asymptotics of solutions to the compressible Navier-Stokes equations and incompressible Navier-Stokes equations since from those classical efforts. In this talk, we will give a sharp decay characterization for the compressible Navier-Stokes equations in the critical framework. Precisely, the Besov boundedness of the low-frequency part of initial perturbation is not only sufficient but also necessary to achieve those upper bounds of time-decay estimates. Furthermore, it is shown that upper and lower bounds of time-decay estimates both hold if and only if the low-frequency part of the initial perturbation belongs to a nontrivial subset of some Besov space.

报告人简介:从事流体力学偏微分方程的数学理论研究。2007年毕业于浙江大学,获博士学位,2013年入选教育部新世纪优秀人才,2019年入选国家高层次青年人才。现担任마카오 슬롯 머신 잭팟副院长,江苏省工业与应用数学学会副理事长和江苏省数学学会副理事长。曾担任日本九州大学访问教授和早稻田大学公派高级研究学者。在Arch. Rational Mech. Anal., Comm. Math. Phys., Comm. Part. Diff. Eqs., J. Math. Pures Anal., SIAM J. Math. Anal.等国内外著名期刊上发表70篇余篇SCI论文,其中ESI高被引论文2篇。先后主持4项国家自然科学基金项目和参与1项国家自然科学基金重点项目。2023年获教育部自然科学奖二等奖(第一完成人),负责建设的《常微分方程》入选2024年江苏省一流本科课程。