Related Experiment Video
Updated: May 1, 2026

Experimental Investigation of Secondary Flow Structures Downstream of a Model Type IV Stent Failure in a 180° Curved Artery Test Section
Published on: July 19, 2016
An inequality of meromorphic functions and its application
Zhaojun Wu1, Yuxian Chen2, Zuxing Xuan3
1School of Mathematics and Statistics, Hubei University of Science and Technology, Xianning 437100, China.
Researchers used Ahlfors theory to create a new inequality for meromorphic functions in angular domains. This work proves the existence of novel Bloch and pseudo-T singular directions for these functions.
Area of Science:
- Complex Analysis
- Meromorphic Functions
- Geometric Function Theory
Background:
- Meromorphic functions are central to complex analysis.
- Understanding their behavior in specific domains is crucial.
- Previous research has explored singular directions, but new types remain of interest.
Purpose of the Study:
- To establish a fundamental inequality for meromorphic functions within angular domains.
- To investigate and prove the existence of new types of singular directions.
- To extend the application of Ahlfors theory to multiple values.
Main Methods:
- Application of Ahlfors' theory of covering surfaces.
- Development of a novel fundamental inequality.
- Analysis of multiple values of meromorphic functions in angular domains.
Main Results:
- A new fundamental inequality for meromorphic functions in angular domains was established.
- The existence of a Bloch direction for a meromorphic function was proven.
- The existence of a pseudo-T direction for a meromorphic function was demonstrated.
Conclusions:
- The study successfully established a new inequality using Ahlfors theory.
- New singular directions (Bloch and pseudo-T) for meromorphic functions were identified.
- This research contributes to the understanding of meromorphic function behavior in angular domains.
More Related Videos
Related Concept Videos
Application of Nonlinear Inequalities
Inequalities
Indeterminate Products
Introduction to Nonlinear Inequalities
Graphical Representation of Inequalities
Introduction to One-to-one Functions

