%0 Journal Article %A Didier Henrion %A Jean-Bernard Lasserre %T An infinite-dimensional Christoffel function and detection of abnormal trajectories %J Comptes Rendus. Mathématique %D 2025 %P 663-676 %V 363 %I Académie des sciences, Paris %R 10.5802/crmath.744 %G en %F CRMATH_2025__363_G7_663_0