Geodesic
Note on the degree of concavity of the determinant on sets of positive definite quadratic forms.
Aequationes mathematicae, Tome 33 (1987), pp. 57-61

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Mots-clés : determinant inequalities for matrices, quadratic forms, Minkowski reduced matrices, reduction theory 
G. Rousseau. Note on the degree of concavity of the determinant on sets of positive definite quadratic forms.. Aequationes mathematicae, Tome 33 (1987), pp. 57-61. http://geodesic.mathdoc.fr/item/AM2_1987__33_137202/
@article{AM2_1987__33_137202,
     author = {G. Rousseau},
     title = {Note on the degree of concavity of the determinant on sets of positive definite quadratic forms.},
     journal = {Aequationes mathematicae},
     pages = {57--61},
     year = {1987},
     volume = {33},
     zbl = {0631.10018},
     url = {http://geodesic.mathdoc.fr/item/AM2_1987__33_137202/}
}
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