110.11 The complex AM-GM inequality on a disc

The Mathematical Gazette 2026

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Authors: Xueqing Leng
DOI: 10.1080/00255572.2025.2600798
Cited by: 0

Abstract

The following was one of the problems in the 2014 China IMO Team Selection Tests (China TST):Assuming the real number r∈(0,1) and the complex numbers z1,z2,…,zn satisfy |zk−1|≤r,1≤k≤n, prove that |...

Fields of Study & Subjects

Mathematical Inequalities and Applications Analytic and geometric function theory Mathematics and Applications

Publication details

Journal / source
The Mathematical Gazette
Volume
110
Issue
577
Pages
149–150
Publication date
2 January 2026
Language
EN