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一类利用从属关系定义的双单叶函数类

Keywords: 解析函数,双单叶函数,从属,Salagean微分

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Abstract:

利用从属关系定义了一类新的双单叶函数类BΣ(n,λ,φ),利用从属定理研究得到了它的系数|a2|和|a3|的上界,并讨论了一些应用广泛的函数类,推广了一些已有结论,在证明方法上有了较大的变化.

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