supported by National Natural Science Foundation of China(Grant Nos.11026046,11101179,10971071);Doctoral Fund of Ministry of Education of China(Grant No.20100061120096);the Fundamental Research Funds for the Central Universities(Grant No.200903294)
In this paper,we give the notion of derivations of Lie 2-algebras using explicit formulas,and construct the associated derivation Lie 3-algebra.We prove that isomorphism classes of non-abelian extensions of Lie 2-alge...
National Natural Science Foundation of China (Grant No.10971071)
In this paper, we construct the projective resolution of arbitrary symmetric 2-group, define thederived 2-functors in (2-SGp) and give some related properties of the derived 2-functors.
Supported by National Natural Science Foundation of China (10971071);Provincial Foundation of Innovative Scholars of Henan
In this paper, for the highest weight module V4 of sl(2,C) with the highest weight 4, we describe subalgebras Sβ(V4)+ and Sγ(V4)+ of the βγ-system coset S(V4)+ by giving their generators. These eoset su...