International Journal of Mathematics and Mathematical Sciences
Volume 2003 (2003), Issue 66, Pages 4183-4193
doi:10.1155/S0161171203208358
Two-point distortion theorems for certain families of analytic functions in the unit disc
Yaşar Polatoğlu
, Metin Bolcal
and Arzu Şen
Department of Mathematics and Computer Science, Faculty of Sciences and Arts, Istanbul Kültür University, Istanbul 34191, Turkey
Abstract
We give two-point distortion theorems for various subfamilies of analytic univalent functions. We also find the necessary and sufficient condition for these subclasses of analytic functions.