Let S^* _s S s∗ be the class of normalized analytic functions f defined on the unit disk such
that the quantity zf'(z)/f (z) zf′(z)/f (z) lies in an eight-shaped region in the right-half plane …

Let S∗ s be the class of normalized analytic functions f defined on the unit disk such that the
quantity zf′(z)/f (z) lies in an eight-shaped region in the right-half plane, which is the image …

Let Ss∗ be the class of normalized analytic functions f defined on the unit disk such that the
quantity zf′(z)/f (z) lies in an eight-shaped region in the right-half plane, which is the image …

Radius Problems for Starlike Functions Associated with the Sine Function Page 1 Bulletin of the
Iranian Mathematical Society https://doi.org/10.1007/s41980-018-0127-5 ORIGINAL PAPER …