JournalsprimsVol. 38 , No. 2DOI 10.2977/prims/1145476336

Contractions of Angles in Symmetric Cones

  • Khalid Koufany

    Université Henri Poincaré, Vandoeuvre lès Nancy, France
Contractions of Angles in Symmetric Cones cover

Abstract

For a symmetric cone Ω 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 Ω decreases the compounds distance.