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            大连理工大学数学科学学院
            通知与公告

            【The University of New South Wales】Some Recent Advances in Polynomial Optimization

            2019年12月25日 13:58  点击:[]

            报告题目Some Recent Advances in Polynomial Optimization

            报告人Guoyin Li 副教授(The University of New South Wales

            报告时间:202012日(星期14:00 -15:00


            报告地点:创新园大厦A1101


            报告校内联系人:张立 教授      联系电话84708351-8097


            报告摘要: Optimization problems involving polynomial functions are of great importance in applied mathematics and engineering, and they are intrinsically hard problems. They arise in important engineering applications such as the sensor network localization problem, and provide a rich and fruitful interaction between algebraic-geometric concepts and modern convex programming. The talk will be divided into two parts. In the first part, I will describe the key results in this exciting area, highlighting the geometric and conceptual aspects as well as recent work on exact semi-definite program relaxation for polynomial optimization problems. In the second part, I will explain how the semi-algebraic structure helps us to analyse the explicit convergence rate of some important and powerful algorithms such as alternating projection algorithm, proximal point algorithm and Douglas-Rachford algorithm. Applications to tensor computations and sparse optimization problems will be discussed (if time is permitted).

             

            报告人简介:Guoyin Li received his Ph.D. on December 2007 from The Chinese University of Hong Kong. His research interest spans from optimization, variational analysis and multilinear algebra. After 3 years of postdoctoral training at The University of New South Wales (UNSW Sydney), Australia, he joined UNSW as a lecturer in 2011 where he is currently a Reader/Associate Professor in the school of mathematics and statistics. He has published over 80 journal articles in top quality journals including Foundation of Computational Mathematics, SIAM Journal on Optimization, Mathematical Programming, Numerische Mathematik, Mathematics of Computations, and Journal of Functional Analysis. He received a midcareer Future Fellowship from Australian Research Council during 2014-2018, and an inviting visiting fellowship from the Issac Newton Institute at Cambridge University in August 2013. He was also awarded the 2019 International Consortium of Chinese Mathematicians (ICCM) Best Paper Award, 2019 Journal of Global Optimization Best Paper Award, an international collaboration award from Australian Research Council in 2011, and the 2015 OPTL best paper award by the Springer journal “Optimization Letters”.

             

            大连理工大学数学科学学院

            20191224

            上一条:【北京师范大学】Basic Real-Variable Theory of Function Spaces (函数空间基础实变理论) 下一条:【摩尔多瓦大学】Analytic semigroups and its applications. II.

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