Title of article
Geometric and approximation properties of a complex Post–Widder operator in the unit disk Original Research Article
Author/Authors
George A. Anastassiou، نويسنده , , S.G. Gal، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2006
Pages
6
From page
314
To page
319
Abstract
The purpose of this work is to obtain Jackson-type estimates in approximation by a complex Post–Widder operator in the unit disk. In addition, these operators preserve some sufficient conditions for starlikeness and univalence of analytic functions.
Keywords
Complex Post–Widder operator , Jackson-type estimate , Shape preserving properties
Journal title
Applied Mathematics Letters
Serial Year
2006
Journal title
Applied Mathematics Letters
Record number
898117
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