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• Additive Maps Preserving the Star Partial Order on $\mathcal{B}(\mathcal{H})$

  Cui Xi, Guoxing JI

  2021-08-17

  33693 3495 Pages:89-96

• Linear Maps Preserving Idempotency of Products of Matrices on Upper Triangular Matrix Algebras

  Jing Qi, Guoxing Ji

  2021-05-20

  32280 2526 Pages:253-264