An optimal perturbation bound for the partial isometry associated to the generalized polar decomposition. - Chunhong Fu; Qingxiang Xu (Appl. Math. Comput., 2020)

Upper bounds and lower bounds for the Frobenius norm of the solution to certain structured Sylvester equation. - Chunhong Fu; Jiajia Chen; Qingxiang Xu (Appl. Math. Comput., 2021)

Some remarks on the norm upper bounds associated with the generalized polar decompositions of matrices. - Dingyi Du; Chunhong Fu; Qingxiang Xu (Appl. Math. Comput., 2024)