Could somebody (simply) explain the basics foundations of Lie 2-algebras, and some basic practical applications ?
For instance, does it exist a 3-map (equivalent to the 2-map commutator for Lie algebras), with :
$ [T_a, T_b, T_c] = f_{abc}^d T_d $
Could somebody (simply) explain the basics foundations of Lie 2-algebras, and some basic practical applications ?
For instance, does it exist a 3-map (equivalent to the 2-map commutator for Lie algebras), with :
$ [T_a, T_b, T_c] = f_{abc}^d T_d $