1 citations · 1 across the 3 of their papers we have counts for
3 papers
math.CV2020★ 1 cited
On a subclass of starlike functions associated with a vertical strip domain
Yong Sun, Zhi-Gang Wang, Antti Rasila +1
In this paper, we consider a subclass of starlike functions associated with a vertical strip domain. Several results concerned with integral representations, convolutions, and coef…
math.CV2017
On third Hankel determinants for subclasses of analytic functions and close-to-convex harmonic mappings
Yong Sun, Zhi-Gang Wang, Antti Rasila
In this paper, we obtain the upper bounds to the third Hankel determinants for starlike functions of order , convex functions of order and bounded turning functions of order…
math.CV2017
On a problem of Bharanedhar and Ponnusamy involving planar harmonic mappings
Zhi-Gang Wang, Zhi-Hong Liu, Antti Rasila +1
In this paper, we give a negative answer to a problem presented by Bharanedhar and Ponnusamy (Rocky Mountain J. Math. 44: 753--777, 2014) concerning univalency of a class of harmon…