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Steklov特征值问题的快速Fourier-Galerkin方法

Fast Fourier-Galerkin Method for Steklov Eigenvalue Problem
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摘要 该文将Steklov特征值问题化为边界积分方程特征值问题,利用Fourier基底给出边界积分方程特征值问题的Fourier-Galerkin方法和具有光滑核的紧积分算子的稠密矩阵的压缩策略,并证明该方法收敛阶达到最佳. In this paper,we first convert the Steklov eigenvalue problem into a boundary integral equation eigenvalue problem.Then,the Fourier-Galerkin method for the eigenvalue problem of the boundary integral equation and the compact matrix compact algorithm with compact kernel with smooth integral operator are given on the Fourier basis.Finally,it is proved that the method has the best convergence order.
作者 揭蓉 陈健军 朱小玲 隆广庆 JIE Rong;CHEN Jian-jun;ZHU Xiao-ling;LONG Guang-qing(School of Mathematics and Statistics,Nanning Normal University,Nanning 530299,China)
出处 《南宁师范大学学报(自然科学版)》 2020年第1期8-17,共10页 Journal of Nanning Normal University:Natural Science Edition
基金 广西研究生教育创新计划项目(YCSW2019183) 2017年广西研究生教育创新计划项目(JGY2017086) 2019年度广西高等教育本科教学改革工程项目(2019JGA227)。
关键词 Steklov特征值问题 边界积分特征值方程 Fourier-Galerkin方法 Steklov eigenvalue problem boundary integral eigenvalue equation Fourier-Galerkin method
作者简介 揭蓉(1995-),女,广西博白人,硕士生,研究方向:计算数学;通讯作者:隆广庆,男,广西南宁人,教授,博士,博导,研究方向:计算数学.E-mail:longgq@163.com.
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