Niezgoda, Marek Majorization refinements of Ky Fan’s eigenvalue inequality and related results. (English) Zbl 1484.15016 Math. Inequal. Appl. 25, No. 1, 135-144 (2022). Reviewer: Minghua Lin (Xi’an) MSC: 15A42 15A18 15A23 15A20 15B57 47A30 × Cite Format Result Cite Review PDF Full Text: DOI
Lennard, C. J. Extremum characterizations of sums of eigenvalues of certain symmetrizable operators on Hilbert spaces. (English) Zbl 0758.47021 J. Math. Anal. Appl. 164, No. 1, 151-166 (1992). Reviewer: A.L.Andrew (Bundoora) MSC: 47A75 49R50 × Cite Format Result Cite Review PDF Full Text: DOI