Best uniform polynomial approximation of some rational functions

This thesis is based on the following paper :Mehdi Dehghan , M.R. Eslahchi, Best uniform polynomialapproximation of some rational functions , Computers andMathematics with Applications ,Best polynomial approximation problem is one of the mostimportant and applicable subjects in the approxi References1. [1] J . C . Mason , D . C . Handscomb , Chebyshevpolynomials , Chapman & Hall/CRC , 2003 .2. [2] T. J. Rivlin , An Introduction to the Approximation ofFunctions , Dover , New York , 1981 .3. [3] G . A . Watson , Approximation Theory and NumericalMetods , John Wiley and Son , Ltd , Chichester , England , 1980.4. [4] H . z . Ollin , Best polynomial approximation to certainrational functions , J . Approx . Theory 26 (1979 ) 389 – 392 .14.