Positive semidefinite matrices, exponential convexity for majorization, and related Cauchy means.
Anwar, M. ; Latif, N. ; Pečarić, J.
Journal of Inequalities and Applications [electronic only], Tome 2010 (2010), / Harvested from The Electronic Library of Mathematics
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Publié le : 2010-01-01
DOI : https://doi.org/10.1155/2010/728251
EUDML-ID : urn:eudml:doc:232114 
@article{05725746,
     title = {Positive semidefinite matrices, exponential convexity for majorization, and related Cauchy means.},
     journal = {Journal of Inequalities and Applications [electronic only]},
     volume = {2010},
     year = {2010},
     doi = {10.1155/2010/728251},
     zbl = {1192.15012},
     language = {en},
     url = {http://dml.mathdoc.fr/item/05725746}
}

Anwar, M.; Latif, N.; Pečarić, J. Positive semidefinite matrices, exponential convexity for majorization, and related Cauchy means.. Journal of Inequalities and Applications [electronic only], Tome 2010 (2010) . doi : 10.1155/2010/728251. http://gdmltest.u-ga.fr/item/05725746/