Sard's approximation processes and oblique projections
Volume 194 / 2009
Studia Mathematica 194 (2009), 65-80
MSC: Primary 47A58, 41A65; Secondary 93E24.
DOI: 10.4064/sm194-1-4
Abstract
Three problems arising in approximation theory are studied. These problems have already been studied by Arthur Sard. The main goal of this paper is to use geometrical compatibility theory to extend Sard's results and get characterizations of the sets of solutions.
