Einstein manifolds and extended Poincaré algebras

D. V. Alekseevsky, A. N. Lavrov

For any pseudo-Euclidean space $V\simeq {\mathbb{R}}^{p,q},p\ge 3$ and module $W$ over the even Clifford algebra ${\text{Cl}}^0(V)$, V. Córtes constructed noncompact homogeneous…