2 papers
math.FA2025
Multiplicative trace and spectrum preservers on stochastic matrices
Ming-Cheng Tsai, Huajun Huang
We characterize maps , and , that have the multiplicative spectrum or trace preserving property: \begin{eqnarray*} \textr…
math.FA2023
Order Relations of the Wasserstein mean and the spectral geometric mean
Luyining Gan, Huajun Huang
On the space of positive definite matrices, several operator means are popular and have been studied extensively. In this paper, we investigate the near order and the Löwner order…