Homology, Homotopy and Applications
Volume 4 (2002)
The Roos Festschrift volume
Nonsplit extensions of modular Lie algebras of rank 2
Pages: 141 – 163
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.
modular Lie algebras, nonsplit extensions, Levi-Mal’cev theorem, second cohomology groups, simple Lie algebras, restricted cohomology groups
2010 Mathematics Subject Classification