%0 Journal Article %A Dumas, Annette %A Santambrogio, Filippo %T Optimal trajectories in $L^1$ and under $L^1$ penalizations %J Comptes Rendus. Mathématique %D 2024 %P 657-692 %V 362 %N G6 %I Académie des sciences, Paris %U https://www.numdam.org/articles/10.5802/crmath.583/ %R 10.5802/crmath.583 %G en %F CRMATH_2024__362_G6_657_0