THE EIGEN- AND SINGULAR VALUES OF THE SUM AND PRODUCT OF LINEAR OPERATORS
A. S. Markus · Russian Mathematical Surveys · 1964
CONTENTSIntroduction § 1. Theorems on the convex hulls of the rearrangements of a vector (finite-dimensional case) § 2. The eigen- and singular values of the sum and product of matrices § 3. Two theorems on symmetric gauge functions § 4. Theorems on the convex hulls of the rearrangements of a vector (infinite-dimensional case) § 5. The eigen- and singular values of the sum and product of completely continuous operatorsReferences