We classify the isometries in the non-identity component of the whole isometry group of the symmetric space of positive 3 × 3 matrices of determinant 1: we determine the translation lengths, minimal spaces and fixed points at infinity.
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-cm135-1-7, author = {Ga\v sper Zadnik}, title = {On isometries of the symmetric space P1(3,R)}, journal = {Colloquium Mathematicae}, volume = {135}, year = {2014}, pages = {85-102}, zbl = {1302.53060}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-cm135-1-7} }
Gašper Zadnik. On isometries of the symmetric space P₁(3,ℝ). Colloquium Mathematicae, Tome 135 (2014) pp. 85-102. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-cm135-1-7/