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Properties of New Holomorphic Mappings with Respect to Conic Domains
Acta Mathematica Sinica, English Series ( IF 0.8 ) Pub Date : 2021-03-25 , DOI: 10.1007/s10114-021-9380-2
Yan Yan Cui , Yong Hong Xie , He Ju Yang , Yu Ying Qiao

This paper is mainly about holomorphic mappings associated with conic regions which are closely connected with k — ST(α). We introduce new subclasses of starlike (spirallike) functions, namely, S pc (k,α)(S pc (k,α,β)), and discuss their coefficient estimates and the Fekete-Szegö-Goluzin’s problem. Then we generalize S pc (k,α,β) on the unit ball Bn in ℂn, that is, k-conic spirallike mappings of type β and order α. We obtain the growth, covering and distortion theorems of the generalized mappings. Besides that, we construct k-conic spirallike mappings of type β and order α on Bn through Sc(k,α,β) by the generalized Roper-Suffridge extension operators.



中文翻译:

关于圆锥域的新全纯映射的性质

本文主要是关于与它们紧密相连的圆锥区域相关联的全纯映射ķ - ST(α)。我们介绍了星形(螺旋状)函数的新子类,即S p ck,α)(S p ck,α,β)),并讨论了它们的系数估计和Fekete-Szegö-Goluzin问题。然后,我们概括小号p ÇK,α,β)上的单位球ñ在ℂ Ñ,即,ķ类型的-conic螺旋映照β和顺序α 。我们获得了广义映射的增长,覆盖和变形定理。除此之外,我们利用广义的Roper-Suffridge扩展算子在B nS ck,α,β)上构造了β型和阶α的k型锥螺旋状映射。

更新日期:2021-03-26
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