1. T. Ando and F. Hiai, Log majorization and complementary Golden-Thompson type inequality, Linear Alg. and Its Appl
197 (1994), 113–131.
2. M. Fujii, Furuta’s inequality and its mean theoretic approach, J. Operator Theory
23 (1990), 67–72.
3. M. Fujii, T. Furuta and E. Kamei, Operator functions associated with Furuta’s inequality, Linear Alg. and its Appl
149 (1991), 91–96.
4. M. Fujii, J.F. Jiang and E. Kamei, A characterization of orders defined by A
δ≥ B
δ via Furuta inequality, Math.Japon. 45 (1997), 519–525.
5. M. Fujii and E. Kamei, Mean theoretic approach to the grand Furuta inequality, Proc. Amer. Math. Soc
124 (1996), 2751–2756.