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20172026
most citedOn logarithmic coefficients of certain starlike functions related to the vertical strip

13 citations · 20 across the 24 of their papers we have counts for

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Showing 2019Show all

5 papers · 1 filter

math.CV2019

Notes on the norm of pre-Schwarzian derivatives on bi-univalent functions of order

H. Mahzoon, R. Kargar

In the present paper we estimate the norm of the pre-Schwarzian derivative of bi-starlike functions of order where . Initially this problem was handled by Rahmatan e…

math.CV2019

A note on the paper "Tang et al. [Bull Iran Math Soc (2019) doi:10.1007/s41980-019-00262-y]"

M. M. Motamedinezhad, Rahim Kargar

Very recently Tang et al. [Bull Iran Math Soc (2019) doi:10.1007/s41980-019-00262-y] have studied some majorization results for two certain subclasses of the starlike functions ass…

math.CV2019

Notes on the norm of pre-Schwarzian derivatives of certain analytic functions

Rahim Kargar

In this paper, we obtain sharp bounds for the norm of pre--Schwarzian derivatives of certain analytic functions. Initially this problem was handled by H. Rahmatan, Sh. Najafzadeh a…

math.CV2019

On certain subclasses of close-to-convex functions related with the second-order differential subordination

Hesam Mahzoon, Rahim Kargar

Let be the family of analytic and normalized functions in the open unit disc . In this article we consider the following classes \begin{equation*} \mathcal{R}(…

math.CV2019

Further results for a subclass of univalent functions related with differential equation

Hesam Mahzoon, Rahim Kargar

Let denote the class of functions analytic in the open unit disc , normalized by the condition and satisfying the inequality \begin{equation*} \left|zf'…