摘要
本文建立了α螺旋函数的一个从属关系,研究了该函数族的极值问题及其闭凸包。
We establish a subordination relation for f, which is a spirallike function. By using this result, we investigate a kind of extremal problems. Finally, we studied the convex hull of this family.
出处
《江西师范大学学报（自然科学版）》
CAS
1989年第4期86-90,共5页
Journal of Jiangxi Normal University(Natural Science Edition)
关键词
螺旋函数
从属
极值
凸包
spirallike functions
subordination relation
extreme value
convex hull
