Some Properties of Multivalent Functions Associated with a Certain Operator

• Дата: 2013
• Автори: He, P., Zhang, D., Ге, П., Чжанг, Д.
• Формат: Стаття
• Мова: Англійська
• Опубліковано: Institute of Mathematics, NAS of Ukraine 2013
• Онлайн доступ: https://umj.imath.kiev.ua/index.php/umj/article/view/2538
• Назва журналу: Ukrains’kyi Matematychnyi Zhurnal

We obtain some subordination and superordination results involving a new operator. By means of the new introduced operator \( \mathrm{C}_{p,n}^{\lambda }(a,c)f(z), \) for some multivalent functions in the open unit disc, we establish the differential sandwich theorem.