On sufficient conditions for close-to-convexity of order 2−r
1Department of Mathematics, Düzce University, DÜZCE
2Department of Basic Sciences, İstanbul Altınbaş University, İSTANBUL
2Department of Basic Sciences, İstanbul Altınbaş University, İSTANBUL
Sigma J Eng Nat Sci 2018; 9(): 341-348
Abstract
The main idea of the present paper is to obtain sufficient conditions for close-to-convexity of order in 2−r,
where r is a positive integer.
Keywords: Analytic, univalent, starlike, convex and close-to-convex functions.
