The paper deals with the relation between global rational approximation and local approximation off the zero set. Also connections with the problem f2 ∈ R(X) ⇒ f ∈ R(X) are studied.
@article{urn:eudml:doc:41067,
title = {Rational approximation near zero sets of functions.},
journal = {Publicacions Matem\`atiques},
volume = {33},
year = {1989},
pages = {59-68},
zbl = {0691.30032},
mrnumber = {MR1004225},
language = {en},
url = {http://dml.mathdoc.fr/item/urn:eudml:doc:41067}
}
Paramonov, Peter V. Rational approximation near zero sets of functions.. Publicacions Matemàtiques, Tome 33 (1989) pp. 59-68. http://gdmltest.u-ga.fr/item/urn:eudml:doc:41067/