International Journal of Mathematics and Mathematical Sciences
Volume 2006 (2006), Issue 7, Pages 49094, 9 p.
doi:10.1155/IJMMS/2006/49094

Simultaneous approximation for the Phillips operators

N.K. Govil1 , Vijay Gupta2 and Muhammad Aslam Noor3

1Department of Mathematics and Statistics, Auburn University, Auburn, AL 36849-5108, USA
2School of Applied Sciences, Netaji Subhas Institute of Technology, Sector 3 Dwarka, New Delhi 110075, India
3Mathematics Department, COMSATS Institute of Information Technology, Islamabad, Pakistan

Abstract

We study the simultaneous approximation properties of the well-known Phillips operators. We establish the rate of convergence of the Phillips operators in simultaneous approximation by means of the decomposition technique for functions of bounded variation.