Mathematical Inequalities & Applications · Volume 12, Issue 4 Two-sided estimates of projection operators norm, with applications to deformable models 12-68 Pages 845-852 DOI 10.7153/mia-12-68 Downloads Short PDF Full PDF PNG Authors A. I. Mitrea D. Mitrea Keywords projection operator norm estimate deformable models least-squares projections discrete best approximation Subject classes 41A10 41A17