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4066金沙官网:20220428 杨家青 Recovering discontinuous viscosity coefficients for inverse Stokes problems by boundary measurements

发布时间:2022-04-27 15:18    浏览次数:    来源:

报告题目:Recovering discontinuous viscosity coefficients for inverse Stokes problems by boundary measurements


报告人:杨家青 教授(西安交通大学)

邀请人:郑光辉

时间:2022/4/28 (周四) 10:00-11:00

腾讯会议:700-179-944 (无密码)


报告摘要:This talk is concerned with an inverse boundary value problem for the Stokes equation with discontinuous viscosity coefficients in a two- or three-dimensional bounded domain. We demonstrate that the shape and location of the inclusion can be uniquely recovered by the local Dirichlet-to-Neumann map defined on an arbitrary small open subset of the boundary. We then show that the discontinuous viscosity coefficient can be uniquely recovered by the same boundary measurement, if the viscosity coefficient satisfies an a priori assumption on the boundary of the inclusion.


报告人简介:杨家青,西安交通大学数学与统计学院教授,研究方向为反问题的数学理论与计算方法。在Inverse Problems, SIAM J. Appl. Math., SIAM J. Numer. Anal., SIAM J. Sci. Comput, SIAM J. Imaging Sci.等国际权威期刊发表论文30余篇.


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