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一类解析函数的三阶Hankel行列式上界估计 总被引:1,自引:0,他引:1
主要研究了与对称点有关的一类解析函数M_s(α,μ,A,B)的三阶Hankel行列式H_3(1),得到了该行列式的上界估计. 相似文献
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伯努利双纽线区域内解析函数类的优化问题 总被引:1,自引:0,他引:1
利用Salagean算子和从属关系,引进了伯努利双纽线左、右半有界区域内解析函数类BL_n和BR_n(c),研究了上述函数类的优化问题,得到了一些有趣的结果. 相似文献
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In the present paper, we derive some third-order differential subordination results for analytic functions in the open unit disk, using the operator Bcκf by means of normalized form of the generalized Bessel functions of the first kind, which is defined as z(Bcκ+1f(z))′= κBcκf(z)-(κ- 1)Bcκ+1f(z),where b, c, p ∈ C and κ = p +(b + 1)/2 ∈ C \ Z-0(Z-0= {0,-1,-2, ··· }). The results are obtained by considering suitable classes of admissible functions. Various known or new special cases of our main results are also pointed out. 相似文献
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In this article, we study several majorizaton properties for the subclasses SL~*,SR~*(a, b), BS~*(α), S_c~*, S_q~* and S_R~* of starlike functions. Meanwhile, some special cases of our main results are given. 相似文献
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引入单位圆盘D={z∈C:|z|1}内Ma-Minda型双向单叶螺旋函数类H_σ~μ(,β,φ),利用从属关系讨论了该类中函数的Fekete-Szego不等式,所得结果推广了一些作者的相关工作. 相似文献
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