Some Superconvergence Results Of Wilson-Like Elements
Lin Zhang 1, Li-kang Li 21 Institute of Mathematics, Fudan University, Shanghai,China/ Department Mathematics, Shangdong Mining Institute, Taian, China
2 Department of Mathematics, Fudan University, Shanghai, China
In this paper, the superconvergence of a class of Wilson-like elements is considered. A superconvergent estimate on the centers of elements and some superconvergence recoveries on the four vertices and the four midpoints of edges of elements are also obtained for piecewise strongly regular quadrilateral subdivisions.
Key words: Superconvergence; Wilson-like element.