TY - JOUR AU - Li, Chi-Kwong AU - Poon, Yiu-Tung TI - Sum of Hermitian Matrices with Given Eigenvalues: Inertia, Rank, and Multiple Eigenvalues JO - Canadian journal of mathematics PY - 2010 SP - 109 EP - 132 VL - 62 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-2010-007-2/ DO - 10.4153/CJM-2010-007-2 ID - 10_4153_CJM_2010_007_2 ER -