Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
6418231 | Journal of Mathematical Analysis and Applications | 2014 | 8 Pages |
Abstract
Functions in a Sobolev space are approximated directly by piecewise affine interpolation in the norm of the space. The proof is based on estimates for interpolations and does not rely on the density of smooth functions.
Related Topics
Physical Sciences and Engineering
Mathematics
Analysis
Authors
Jean Van Schaftingen,