activity
20172019
most citedSome inequalities for a certain subclass of starlike functions

1 citations · 1 across the 6 of their papers we have counts for

collaborators

7 papers

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

Coefficient and Fekete-Szegö problem estimates for certain subclass of analytic and bi-univalent functions

Hesam Mahzoon

In this paper, we obtain the Fekete-Szegö problem for the -th root transform of the analytic and normalized functions satisfying the condition \begin{equation*} 1…

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'…

math.CV2018

On a certain subclass of strongly starlike functions

R. Kargar, J. Sokół, H. Mahzoon

Let , where , represent the class of functions that are analytic in the open unit disk , normalized by $f(0) = f'(0) -…

math.CV2018★ 1 cited

Some inequalities for a certain subclass of starlike functions

R. Kargar, H. Mahzoon, N. Kanzi

In 2011, Sokół (Comput. Math. Appl. 62, 611--619) introduced and studied the class as a certain subclass of starlike functions, consists of all functions ($f(…

math.CV2017

Notes on the starlike log--harmonic mappings of order alpha

Rahim Kargar, Hesam Mahzoon

Let and be two analytic functions in the unit disc that . Also let be a complex number with . A function is said to be log--harmonic…