Geodesic
Nonsplit extensions of modular Lie algebras of rank 2
Homology, homotopy, and applications, Tome 4 (2002) no. 2, pp. 141-163.

Voir la notice de l'article provenant de la source International Press of Boston

Second cohomology groups of irreducible representations of classical Lie algebras $A_2, B_2$ and $G_2$ over an algebraically closed field of characteristic $p>h$ are calculated. Here $h$ is the Coxeter number.
DOI : 10.4310/HHA.2002.v4.n2.a7
Classification : 17B50, 17B56
Keywords: modular Lie algebras, nonsplit extensions, Levi-Mal’cev theorem, second cohomology groups, simple Lie algebras, restricted cohomology groups 
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     title = {Nonsplit extensions of modular {Lie} algebras of rank 2},
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A. S. Dzhumadiľdaev; S. S. Ibraev. Nonsplit extensions of modular Lie algebras of rank 2. Homology, homotopy, and applications, Tome 4 (2002) no. 2, pp. 141-163. doi : 10.4310/HHA.2002.v4.n2.a7. http://geodesic.mathdoc.fr/articles/10.4310/HHA.2002.v4.n2.a7/

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