math/0612861Dec 29, 200627 pages, title slightly changed, references updated, typos corrected, final version to appear on J. Algebra
Infinitesimal deformations of restricted simple Lie algebras I
Filippo Viviani
Abstract
We compute the infinitesimal deformations of two families of restricted simple modular Lie algebras of Cartan type: the Witt-Jacobson and the Special Lie algebras.