Growth estimates for logarithmic derivatives of Blaschke products and of functions in the Nevanlinna class

Kodai Mathematical Journal

Janne Heittokangas¹ 

[1] University of Illinois at Urbana-Champaign Department of Mathematics

关键词: Blaschke product;    Blaschke sequence;    logarithmic derivative;   

DOI  :  10.2996/kmj/1183475517

学科分类：数学（综合）

来源: Tokyo Institute of Technology, Department of Mathematics

【 摘 要 】

References(12)We prove growth estimates for logarithmic derivatives of functions in the Nevanlinna class. Blaschke products with radially restricted zero sequences will be of particular interest. Our results are sharper in a certain sense than the corresponding estimates in [2] obtained for meromorphic functions in the unit disc.

【 授权许可】

Unknown