【和山数学论坛104 讲】厦门大学白正简教授学术报告10月25日下午

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【和山数学论坛104 讲】厦门大学白正简教授学术报告1025日下午

和山数学论坛第104

一、题目: A Riemannian Inexact Newton-CG Method for Nonnegative Inverse Eigenvalue Problems: Nonsymmetric Case

二、主讲人:白正简教授

三、时 20161025日,下午:15:00-16:00(周二)

四、地 :闻理园A4-305

摘要: In this talk, we consider the nonnegative inverse eigenvalue problem of finding a nonnegative matrix such that its spectrum is the prescribed self-conjugate set of complex numbers. We reformulate the nonnegative inverse eigenvalue problem as an underdetermined constrained nonlinear matrix equation over several matrix manifolds. Then we propose a Riemannian inexact Newton-CG method for solving the nonlinear matrix equation. The global and quadratic convergence of the proposed method is established. Finally, we report some numerical experiments to illustrate the efficiency of the proposed method.

个人简介:白正简,厦门大学教授,博士生导师,教育部新世纪优秀人才支持计划入选者,2008年度应用数值代数奖获得者,2009年度福建省科学技术奖二等奖获得者。先后主持国家自然科学基金项目3项,福建省杰出青年科学基金项目1项。2004年获得香港中文大学博士学位,主要研究数值代数和特征值反问题。