http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
ON A CLASS OF STARLIKE FUNCTIONS RELATED WITH BOOTH LEMNISCATE
R. KARGAR,J. SOKOL,A. EBADIAN,L. TROJNAR-SPELINA 장전수학회 2018 Proceedings of the Jangjeon mathematical society Vol.21 No.3
Let A be the class of normalized analytic functions. We study the class BS(α) as follows BS(α) := { f ∈ A : (zf'(z)/ f(z) - 1) ≺ z/1-αx2, |z| < 1}, where "≺" is the subordination relation and 0 ≤ α < 1. Also, we consider the class BK(α), including of all functions f ∈ A such that zf'(z) ∈ BS(α). In the present article, some properties of the classes BS() and BK() are investigated.