Superconvergent Two-grid Methods For Elliptic Eigenvalue Problems
arXiv:1405.4641
Abstract
Some numerical algorithms for elliptic eigenvalue problems are proposed, analyzed, and numerically tested. The methods combine advantages of the two-grid algorithm, two-space method, the shifted inverse power method, and the polynomial preserving recovery technique . Our new algorithms compare favorably with some existing methods and enjoy superconvergence property.
18 pages, 9 figures