Means and Concave Products of Positive Semi-Definite Matrices.
Hansen, Frank
Mathematische Annalen, Tome 264 (1983), p. 119-128 / Harvested from Göttinger Digitalisierungszentrum
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Publié le : 1983-01-01
EUDML-ID : urn:eudml:doc:163774 
@article{GDZPPN00232380X,
     title = {Means and Concave Products of Positive Semi-Definite Matrices.},
     journal = {Mathematische Annalen},
     volume = {264},
     year = {1983},
     pages = {119-128},
     zbl = {0495.47021},
     url = {http://dml.mathdoc.fr/item/GDZPPN00232380X}
}

Hansen, Frank. Means and Concave Products of Positive Semi-Definite Matrices.. Mathematische Annalen, Tome 264 (1983) pp. 119-128. http://gdmltest.u-ga.fr/item/GDZPPN00232380X/