A strengthened Schwarz-pick inequality for derivatives of the hyperbolic metric

Main Article Content

Wenfa Yuan
Dongli Chen
Pingan Wang

Abstract

This paper is to investigate the Schwarz-Pick inequality for the hyperbolic derivative. Our result is not only a contraction but also a contraction minus a positive constant and this improves Beardon's theorem greatly.

Article Details

How to Cite
Yuan, W., Chen, D., & Wang, P. (2006). A strengthened Schwarz-pick inequality for derivatives of the hyperbolic metric. Tamkang Journal of Mathematics, 37(2), 131–134. https://doi.org/10.5556/j.tkjm.37.2006.157
Section
Papers
Author Biography

Wenfa Yuan

College of Science, Xi’an University of Architecture & Technology, Xi’an Shaanxi 710055, P. R. China.