A Voronovskaya Type Theorem on Modified Post-Widder Operators Preserving ${x^2}$

Kyungpook Mathematical Journal 2011; 51(1): 87-91

Published online March 23, 2011

Mohammad Arif Siddiqui¹, Raksha Rani Agrawal²

¹Govt. V. Y. T. P. G. Autonomous College Durg(C. G.)
²M. P. Christian College Of Engg. And Technology Bhilai(C. G.)

Received: March 23, 2011; Revised: March 23, 2011; Accepted: March 23, 2011

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In this paper we obtain a Voronvskaya type theorem for modi ed Post-Widder operators.

Keywords: Post-Widder operators, modulus of continuity, The Voronovskaya type theorem