%0 Journal Article %A Diego Chamorro %A Oscar Jarrín %T Fractional Laplacians, extension problems and Lie groups %J Comptes Rendus. Mathématique %D 2015 %P 517-522 %V 353 %N 6 %I Elsevier %R 10.1016/j.crma.2015.04.007 %G en %F CRMATH_2015__353_6_517_0