Sard's approximation processes and oblique projections

G. Corach, J. I. Giribet, and A. Maestripieri. "Sard's approximation processes and oblique projections." Studia Mathematica 194.1 (2009): 65-80. <http://eudml.org/doc/285052>.

@article{G2009,
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.},
author = {G. Corach, J. I. Giribet, A. Maestripieri},
journal = {Studia Mathematica},
keywords = {approximation processes; Dixmier angle; semidefinite positive operator; least square processes; curve fitting processes; oblique projections; weighted least square problems; approximation processes},
language = {eng},
number = {1},
pages = {65-80},
title = {Sard's approximation processes and oblique projections},
url = {http://eudml.org/doc/285052},
volume = {194},
year = {2009},
}

TY - JOUR
AU - G. Corach
AU - J. I. Giribet
AU - A. Maestripieri
TI - Sard's approximation processes and oblique projections
JO - Studia Mathematica
PY - 2009
VL - 194
IS - 1
SP - 65
EP - 80
AB - 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.
LA - eng
KW - approximation processes; Dixmier angle; semidefinite positive operator; least square processes; curve fitting processes; oblique projections; weighted least square problems; approximation processes
UR - http://eudml.org/doc/285052
ER -