Physics – Mathematical Physics
Scientific paper
2012-03-02
Physics
Mathematical Physics
17 pages, to appear Sci. China. Math
Scientific paper
In this paper, we introduce the notion of derivations of Lie 2-algebras and
construct the associated derivation Lie 3-algebra. We prove that isomorphism
classes of non-abelian extensions of Lie 2-algebras are classified by
equivalence classes of morphisms from a Lie 2-algebra to a derivation Lie
3-algebra.
Chen Shaohan
Sheng Yunhe
Zheng Zhujun
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