Mathematical Inequalities & Applications · Volume 6, Issue 4 Optimizers for Sub-Sums subject to a Sum- and a Schur-Convex Constraint with Applications to Estimation of Eigenvalues 06-67 Pages 745-763 DOI 10.7153/mia-06-67 Downloads Short PDF Full PDF PNG Authors A. Kovačec Jorma Kaarlo Merikoski O. Pikhurko Ari Virtanen Keywords optimization Schur-convexity eigenvalue estimation Subject classes 90C25 26D15 15A42