Initial seven coefficient estimates for a subclass of bi-starlike functions

• Date: 2021
• Main Authors: Janani, T., Yalçın, S., Yalçın, Sibel
• Format: Article
• Language: English
• Published: Institute of Mathematics, NAS of Ukraine 2021
• Online Access: https://umj.imath.kiev.ua/index.php/umj/article/view/1046
• Journal Title: Ukrains’kyi Matematychnyi Zhurnal

UDC 517.5 In the present article, a subclass of bi-starlike functions is studied and initial seven Taylor–Maclaurin coefficient estimates $|a_{2}|, |a_{3}|, \ldots , |a_{7}|$ for functions in the subclass of the function class $ \Sigma $ are obtained for the first time in the literature. Few new or...