On meromorphic functions which are Brody curves

Jörg Winkelmann
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引用次数: 0

Abstract

We discuss meromorphic functions on the complex plane which are Brody curves regarded as holomorphic maps to \({{\mathbb {P}}}_1\), i.e., which have bounded spherical derivative. For some special classes we gave explicit criteria which functions are Brody. We also discuss which divisors of very slow growth may occur as zero divisor of a Brody function and show that there are transcendental entire functions of arbitrarily slow growth which are not Brody.

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论属于布罗迪曲线的同态函数
我们讨论的是复平面上的分形函数,它们是布罗迪曲线,被视为到 \({{\mathbb {P}}}_1\) 的全形映射,即具有有界球面导数。对于一些特殊的类,我们给出了明确的标准,即哪些函数是布罗迪函数。我们还讨论了哪些增长速度非常慢的除数可能作为布罗迪函数的零除数出现,并证明了存在增长速度任意慢的超越整函数不是布罗迪函数。
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来源期刊
Annali dell''Universita di Ferrara
Annali dell''Universita di Ferrara Mathematics-Mathematics (all)
CiteScore
1.70
自引率
0.00%
发文量
71
期刊介绍: Annali dell''Università di Ferrara is a general mathematical journal publishing high quality papers in all aspects of pure and applied mathematics. After a quick preliminary examination, potentially acceptable contributions will be judged by appropriate international referees. Original research papers are preferred, but well-written surveys on important subjects are also welcome.
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