A generalized action for $\left(2+1\right)$-dimensional Chern--Simons gravity

José Díaz, Octavio Fierro, Fernando Izaurieta +4

We show that the so-called semi-simple extended Poincaré (SSEP) algebra in $D$ dimensions can be obtained from the anti-de~Sitter algebra $\mathfrak{so}\left(D-1,2\right)$ by me…