In this paper we present a correction of the proofofa strong uniqueness theorem given by H.Strauss in1992 on approximation by reciprocals of functions of an n-d
We extend a theorem of Ivanev and Saff to show that for the Hermite-Pade interpolant at the roots of unity to a function meromorphic in the unit disc, its leadi
If n given control, points b<sub>0</sub>,…b<sub>n-1</sub>∈R<sup>d</sup> are repeated periodically by b<sub>i+kn</sub>=b<sub>i</sub>, for all k∈Z.the uform li