BGG complexes in singular infinitesimal character for type A

Authors: Pavle Pandžić, Vladimír Souček

Journal of Mathematical Physics 58, 111512 (2017);

https://doi.org/10.1063/1.4986121

Abstract: We give a geometric construction of the Bernstein-Gel’fand-Gel’fand (BGG) resolutions in singular infinitesimal character in the case of 1-graded complex Lie algebras of type A.