Geodesic
Constructing Homomorphisms between Verma Modules
Journal of Lie Theory, Tome 15 (2005) no. 2, pp. 415-428

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We describe a practical method for constructing a nontrivial homomorphism between two Verma modules of an arbitrary semisimple Lie algebra. With some additions the method generalises to the affine case.
Classification : 17B10, 17-04, 17-08
Mots-clés : Semisimple Lie algebras, Verma modules, algorithms 
W. A. d. Graaf. Constructing Homomorphisms between Verma Modules. Journal of Lie Theory, Tome 15 (2005) no. 2, pp. 415-428. http://geodesic.mathdoc.fr/item/JOLT_2005_15_2_a3/
@article{JOLT_2005_15_2_a3,
     author = {W. A. d. Graaf},
     title = {Constructing {Homomorphisms} between {Verma} {Modules}},
     journal = {Journal of Lie Theory},
     pages = {415--428},
     year = {2005},
     volume = {15},
     number = {2},
     zbl = {1064.17004},
     url = {http://geodesic.mathdoc.fr/item/JOLT_2005_15_2_a3/}
}
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