Publications
Article type
Year
Sort：
Published
Cited
Download
Open Access Research Article Issue
The Pontryagin dual of the multiplicative group of positive rational numbers
Chaochao Sun, Yuanbo Liu
AIMS Mathematics 2023, 8(9): 20351-20360
Published: 15 September 2023
Abstract PDF (220.9 KB) Collect
Downloads：0

The Pontryagin dual of the multiplicative group of positive rational numbers is constructed. Then we study its topological generators and representations.

Open Access Research Article Issue
A note on Kaliman's weak Jacobian Conjecture
Yan Tian, Chaochao Sun
AIMS Mathematics 2024, 9(11): 30406-30412
Published: 25 October 2024
Abstract PDF (211.3 KB) Collect
Downloads：52

We improve Kaliman's weak Jacobian Conjecture by the Hurwitz formula and resolution of singular curves. Furthermore, we give a more general form of Kaliman's weak Jacobian Conjecture.

Total 2