Dergiler / Communications Faculty of Sciences University of Ankara Series A1 Mathematics and Statistics / 1982 / Cilt: 31
The Radius of Starlikeness of Certain Analytic Functions
- Sayı
- 1982 · Cilt: 31
- Sayfa
- 108–116
- DOI
- —
Abstract
Let P (Ş) be the class of funetions u given by u (z) = l-fCiZ + c2z24--.- regular in D — ^z: |z | < 1J and satisfying the condition Re (z)} > Ş, z e D, 0 < p < 1. Let S*(a) and S (m,M) be the class of funetions f given by f (z) = z4-a„z2-j-... regular in D and satisfying the condition