%0 Journal Article %A Campoamor Stursberg, Otto-Rudwig %A Rausch de Traubenberg, Michel %T Generalized harmonic functions and unitary representations of low dimensional Lie groups %@ 1742-6588 %U https://hdl.handle.net/20.500.14352/65297 %X The unitary representations of the three dimensional simple Lie groups are reconsidered from the perspective of harmonic functions acting on certain manifolds related to differential realisations of the groups themselves. By means of contractions of Lie groups, the procedure is also applied to the group E2 of rotations-translations in two dimensions. %~