报告题目:Some iterative methods and matrix splitting preconditioners for saddle point problems
报 告 人:陈果良教授(华东师范大学教授,博士生导师)
报告时间:2018年4月17日(周二)上午10:30-11:30
报告地点:威廉希尔中文网站三楼报告厅
报告摘要:In this talk, we give the semi-convergent analysis of the Uzawa-SOR method, the GPIU method and the GPPIU method when they are applied to solve the singular saddle point problems. Because the eigenvalue distribution of the system matrix is very important to the convergence of the Krylov subspace methods. So we also propose two different kinds of preconditioners for generalized saddle point problems and analyze the spectral properties of the corresponding preconditioned matrix. Illustrative numerical examples are presented.
陈果良教授简介:陈果良,华东师范大学教授,博士生导师。主要研究方向为数值代数方向,主持完成多项国家自然科学基金面上项目、上海市科委重点项目和上海市教委重点基金,在国内外重要学术期刊发表论文140余篇。已培养10多位博士、博士后,曾获得过上海市园丁奖、先进工作者等荣誉。曾担任华东师范大学人事处处长,教育专业学位管理中心主任,国务院学位评估中心数学学科通讯评审专家和数学学科博士点、硕士点通讯评审专家等职。