Geodesic
Cohomology in Nonunitary Representations of Semisimple Lie Groups (the Group $U(2,2)$)
Funkcionalʹnyj analiz i ego priloženiâ, Tome 48 (2014) no. 3, pp. 1-13

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A method for constructing special nonunitary representations of semisimple Lie groups by using representations of Iwasawa subgroups is suggested. As a typical example, the group $U(2,2)$ is studied.
Keywords: semisimple groups, special representations, Iwasawa subgroup, nonunitary representations. 
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     author = {A. M. Vershik and M. I. Graev},
     title = {Cohomology in {Nonunitary} {Representations} of {Semisimple} {Lie} {Groups} (the {Group} $U(2,2)$)},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {1--13},
     publisher = {mathdoc},
     volume = {48},
     number = {3},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_2014_48_3_a0/}
}
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A. M. Vershik; M. I. Graev. Cohomology in Nonunitary Representations of Semisimple Lie Groups (the Group $U(2,2)$). Funkcionalʹnyj analiz i ego priloženiâ, Tome 48 (2014) no. 3, pp. 1-13. http://geodesic.mathdoc.fr/item/FAA_2014_48_3_a0/