%0 Unpublished Work %A Ghosh, Sourav %T Avatars of Margulis invariants and proper actions %J Annales de l'Institut Fourier %D 2026 %V 0 %N 0 %I Association des Annales de l’institut Fourier %Z Online first %R 10.5802/aif.3748 %G en %F AIF_0__0_0_A36_0