1. A complete list of special unipotent representations of real exceptional groups, see http://www.liegroups.org/tables/unipotentExceptional/.
2. Unitary representations of real reductive groups;Adams;Astérisque,2020
3. Dirac series for complex classical Lie groups: A multiplicity one theorem;Barbasch;Adv. Math.,2022
4. Twisted Dirac Index and Applications to Characters, Affine, Vertex and W-Algebras;Barbasch,2019
5. Unipotent representations of complex semisimple Lie groups;Barbasch;Ann. of Math.,1985