Fekete-Szegö Inequalities for Certain Classes of Biunivalent Functions

Şahsene Altınkaya; Sibel Yalçın

doi:10.1155/2014/327962

Fekete-Szegö Inequalities for Certain Classes of Biunivalent Functions

Int Sch Res Notices. 2014 Nov 6:2014:327962. doi: 10.1155/2014/327962. eCollection 2014.

Authors

Şahsene Altınkaya¹, Sibel Yalçın¹

Affiliation

¹ Department of Mathematics, Faculty of Arts and Science, Uludag University, Bursa, Turkey.

Abstract

We obtain the Fekete-Szegö inequalities for the classes S S,Σ (*)(α, ϕ) and £ S,Σ(α, ϕ) of biunivalent functions denoted by subordination. The results presented in this paper improve the recent work of Crisan (2013).