Radius Problems for Some Subclasses of Analytic Functions
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DOI: 10.1007/s11785-016-0584-x
Abstract: In this work, we define the class $${\mathcal {M}}(\alpha )$$M(α) of normalized analytic functions which satisfy the following two-sided inequality: $$\begin{aligned} 1+\frac{\alpha -\pi }{2\sin \alpha }< {{\mathfrak {R}}}{{\mathfrak {e}}}\left\{ \frac{zf'(z)}{f(z)}\right\} read more here.
Keywords: analytic functions; radius problems; problems subclasses; subclasses analytic ... See more keywords