2 papers
math.RA2025
Positive determinacy of h-Shuhan matrices with
Weicai Wu, Mingxuan Yang
In this paper, we define h-Shuhan matrix, which is the generalization of the generalized Cartan matrix, and find the h-Shuhan matrices for all positive semi-definite ( or generaliz…
math.GR2024
Square commutative groups
Weicai Wu, Mingxuan Yang, Yangbo Zhou +1
In this paper we first give a necessary and sufficient condition for a group generated by elements to be a square commutative group and prove is a square commutative gr…