Invariance of the Initial Coefficient Differences of Ma-Minda Convex Functions

Umar Raza, Mohsan Raza, Rashid Ali

Let $\Phi$ be a univalent function in $\mathbb{D}=\{z\in \mathbb{C}:|z|<1\}$% , $\Phi (\mathbb{D})$ is symmetric with respect to the real axis, starlike with respect to $\Phi (0)=1$, and $Φ^{…