Mathematics – Representation Theory
Scientific paper
1998-05-07
Adv.Theor.Math.Phys.2:1141-1182,1998; Addendum-ibid.8:697-709,2004
Mathematics
Representation Theory
43 pages (published version)
Scientific paper
In this paper we introduce generalized Spencer cohomology for finite depth Z-graded Lie (super)algebras. We develop a method of finding filtered deformations of such Z-graded Lie (super)algebras based on this cohomology. As an application we determine all simple filtered deformations of certain Z-graded Lie superalgebras classified in [K3], thus completing the last step in the classification of simple infinite-dimensional linearly compact Lie superalgebras.
Cheng Shun-Jen
Kac Victor G.
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