References
- Bhatia R. Matrix analysis. New York (NY): Springer-Verlag; 1997.
- Drury S, Lin M. Singular values inequalities for matrices with numerical ranges in a sector. Oper Matrices. 2014;8:1143–1148.
- Fu X, Liu Y. Rotfel’d inequality for partitioned matrices with numerical ranges in a sector. Linear Multilinear Algebra. 2015;64(1):1–5.
- Zhang F. A matrix decomposition and its applications. Linear Multilinear Algebra. 2015;63(10):2033–2042.
- Zhang P. A further extension of Rotfel’d theorem. Linear Multilinear Algebra. 2015;63(12):1–7.
- Rotfel’d S. The singular values of a sum of completely continuous operators. Top Math Phys Consultants Bureau. 1969;3:73–78.
- Lee E. Extension of Rotfel’d theorem. Linear Algebra Appl. 2011;435:735–741.
- Bourin J, Lee E. Unitary orbits of Hermitian operators with convex and concave functions. Bull London Math Soc. 2012;44:1085–1102.
- Aujla J, Bourin J. Eigenvalues inequalities for convex and log-convex function. Linear Algebra Appl. 2007;424:25–35.
- Bourin J, Uchiyama M. A matrix subadditivity inequality for f(A + B) and f(A) + f(B). Linear Algebra Appl. 2007;423:512–518.