Geometric stability for complex Monge-Ampere equations

Abstract: Let $X$ be a compact Kahler manifold. The analytic stability theorem of Kolodziej for complex Monge-Ampere equation states that for any Kahler metrics $ω$ and $ω&#39;$ in the same cohomology class, if their volume measures are bounded in $L<sup>p(X)$ (for some $p&gt;1$) and close in $L<sup>1(X)$, then their Kahler potentials are close in $L<sup>\infty(X)$. In this paper, we establish the geometric stability for complex Monge-Ampère equations that $L<sup>1$-closeness of volume measures implies $L<sup>\infty$-closeness for the induced distance functions by $ω$ and $ω&#39;$. Consequently, we prove that any non-smooth Kahler current with volume measure bounded in $L<sup>p$ (for some $p&gt;1$) and Ricci current bounded below induces a unique metric space, which turns out to be a compact RCD space homeomorphic to $X$ itself.