Contractions of angles in symmetric cones

被引:3
|
作者
Koufany, K [1 ]
机构
[1] Univ Nancy 1, Inst E Cartan, F-54506 Vandoeuvre Les Nancy, France
关键词
angles; contractions; cross-ratio; symmetric cones;
D O I
10.2977/prims/1145476336
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
For a symmetric cone Q we compute its Riemannian distance in terms of the singular values of a generalized cross-ratio and prove that the semigroup of the compressions of Q decreases the compounds distance.
引用
收藏
页码:227 / 243
页数:17
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