International Journal of Mathematics and Mathematical Sciences
Volume 19 (1996), Issue 4, Pages 667-678
doi:10.1155/S0161171296000932

The Θ-transformation of certain positive linear operators

Aleandru Lupaş1 and Detlef H. Mache2

1Universitatea din Sibiu, Facultatea de Stiinte, B-dul Victoriei Nr 20, Sibu 2400, Romania
2Universitat Dortmund, Lehrstuhl VIII fur Matehmatik, Dortmund 44221, Germany

Abstract

The intention of this paper is to describe a construction method for a new sequence of linear positive operators, which enables us to get a pointwise order of approximation regarding the polynomial summator operators which have "best" properties of approximation.