Using York decomposition as a foundation, can we reformulate General Relativity to treat space as flat (##R_{ij} = 0##), redistributing all curvature into a vector field for time (##\vec{t}_i##)?
The York decomposition:
$$\tilde{h}_{ij} = \phi^{-4} h_{ij}$$
$$\tilde{K}_{ij} = \phi^2 K_{ij}$$...