Abstract
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.
Citation
A. S. Dzhumadiľdaev. S. S. Ibraev. "Nonsplit extensions of modular Lie algebras of rank 2." Homology Homotopy Appl. 4 (2) 141 - 163, 2002.
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