Semi-simple enlargement of the $$ \mathfrak{b}\mathfrak{m}{\mathfrak{s}}_3 $$ algebra from a $$ \mathfrak{so}\left(2,\ 2\right)\oplus \mathfrak{so}\left(2,\ 1\right) $$ Chern-Simons theory
The Journal of high energy physics/The journal of high energy physics