Radius of univalence of certain class of analytic functions

Radius of univalence of certain class of analytic functions
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DOI:
10.2298/fil1306085o
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发表时间:
2013
期刊:
影响因子:
0.8
通讯作者:
M. Obradović;S. Ponnusamy
M. Obradović;S. Ponnusamy
中科院分区:
数学4区
文献类型:
--
作者:
M. Obradović;S. Ponnusamy

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设A是单位圆盘D中具有正规化f(0)= f '(0)− 1 = 0的解析函数类。对于z/f(z),0在D中,考虑Uf(z)=(zf(z))2 f '(z)和B(z)= f(z)z .
Let A denote be the class of analytic functions in the unit disk D with the normalization f(0) = f ' (0) − 1 = 0. For z/f(z) , 0 in D, consider Uf(z) = ( z f(z) )2 f ' (z) and B(z) = f(z) z .