Hostname: page-component-788cddb947-55tpx Total loading time: 0 Render date: 2024-10-19T02:34:51.307Z Has data issue: false hasContentIssue false

Inequalities for Symmetric Functions and Hermitian Matrices

Published online by Cambridge University Press:  20 November 2018

M. Marcus
Affiliation:
University of British Columbia
L. Lopes
Affiliation:
United States Naval Ordnance Test Station Pasadena, Cal.
Rights & Permissions [Opens in a new window]

Extract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

The purpose of this paper is to present two concavity results for symmetric functions and apply these to obtain inequalities connecting the characteristic roots of the non-negative Hermitian (n.n.h.) matrices A, B and A + B.

Type
Research Article
Copyright
Copyright © Canadian Mathematical Society 1957

References

1. Fan, K., On a Theorem of Weyl concerning eigenvalues of linear transformations II, Proc Nat. Acad. Sci., 36 (1950), 31.Google Scholar
2. Fenchel, W., Généralisation du théorème de Brunn-Minkowski concernant les corps convexes, C.R. des Sci. de l'Acad. des Sci., 203 (1936), 764766.Google Scholar
3. Marcus, M. and McGregor, J. L., Extremal properties of Hermitian matrices, Can. J. Math., 8 (1956), 524531.Google Scholar
4. Ostrowski, A., Sur quelques applications des fonctions convexes et concaves au sens de I. Schur, J. Math, pures et appl. (9), 31 (1952), 253292.Google Scholar