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