On the geometry at infinity of the universal covering of S l ( 2 , ℝ ) Marcos Salvai — 2000 Rendiconti del Seminario Matematico della Università di Padova
On the volume of unit vector fields on a compact semisimple Lie group. Salvai, Marcos — 2003 Journal of Lie Theory
A dynamical approach to compactify the three dimensional Lorentz group. Salvai, Marcos — 2005 Journal of Lie Theory