 {\mathbf{e}}({\mathcal M_{{0}}},\mathbb{V}_{(0, 0)})=\mathbf{0}, \;\; {\mathbf{e}}({\mathcal M_{{0}}},\mathbb{V}_{(0, 0)})={\mathbf L}^0-\mathbf{0}, \;\; {\mathbf{e}}({\mathcal M_{{0}}},\mathbb{V}_{(0, 0)})=-{\mathbf L}