Regions of variability for convex functions
Regions of variability for convex functions
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DOI:
10.1002/mana.200310449
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发表时间:
2006-11
影响因子:
1
通讯作者:
H. Yanagihara
中科院分区:
文献类型:
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作者:
H. Yanagihara
Let 𝒞 be the class of convex univalent functions f in the unit disc 𝔻 normalized by f (0) = f ′(0) – 1 = 0. For z 0 ∈ 𝔻 and |λ | ≤ 1 we shall determine explicitly the regions of variability {log f ′(z 0): f ∈ 𝒞, f ″(0) = 2λ }. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)