138 citations · 155 across the 7 of their papers we have counts for
Showing 2023Show all
2 papers · 1 filter
math.RA2023
On Panja-Prasad conjecture
Qian Chen
In the present paper we shall investigate the Waring's problem for upper triangular matrix algebras. The main result is the following: Let and be integers. Let…
math.CO2023★ 2 cited
The multiplicity of a Hermitian eigenvalue on graphs
Qian-Qian Chen, Ji-Ming Guo, Zhiwen Wang
For a graph , let be the set consisting of Hermitian matrices whose graph is . Denoted by the multiplicity of an eigenvalue of $B(G)\in \mathc…