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Turkish Journal of Mathematics

Abstract

Let $\mathcal{S}^*(q_c)$ denote the class of functions $f$ analytic in the open unit disc $\Delta$, normalized by the condition $f(0)=0=f'(0)-1$ and satisfying the following inequality $\left \left(\frac{zf'(z)}{f(z)}\right)^2-1\right < c \quad (z\in\Delta, 0

DOI

10.3906/mat-1903-28

Keywords

Analytic, univalent, subordination, Janowski starlike functions, Bernoulli lemniscate

First Page

1979

Last Page

1987

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