Interior Hölder estimate for the linearized complex Monge-Ampere equation

Abstract

Let $w_0$ be a bounded, $C^3$, strictly plurisubharmonic function defined on $B_1\subset {\mathbb{C}}^n$. Then $w_0$ has a neighborhood in $L^{\infty }(B_1)$. Suppose that we have a function $\varphi$ in this neighborhood with $1-\epsilon \le MA(u)\le 1+\epsilon$ and there exists a function $u$ solving the linearized complex Monge-Ampere equation: $det({\varphi }_{k\bar{l}}){\varphi }^{I\bar{j}}{u}_{I\bar{j}}=0$. Then one has an estimate on $|u{|}_{C^{\alpha }(B_{\frac{1}{2}})}$ for some $\alpha >0$ depending on $n$, as long as $\epsilon$ is small depending on $n$. This partially generalizes Caffarelli's estimate for linearized real Monge-Ampere equation to the complex version.

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