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Bounded strictly pseudoconvex domains in $\mathbb{C}^2$ with obstruction flat boundary II. (arXiv:1810.05362v1 [math.CV])
来源于:arXiv
On a bounded strictly pseudoconvex domain in $\mathbb{C}^n$, $n>1$, the
smoothness of the Cheng-Yau solution to Fefferman's complex Monge-Ampere
equation up to the boundary is obstructed by a local CR invariant of the
boundary. For a bounded strictly pseudoconvex domain $\Omega\subset
\mathbb{C}^2$ diffeomorphic to the ball, we prove that the global vanishing of
this obstruction implies biholomorphic equivalence to the unit ball, subject to
the existence of a holomorphic vector field satisfying a mild approximate
tangency condition along the boundary. In particular, by considering the Euler
vector field multiplied by $i$ the result applies to all domains in a large
$C^1$ open neighborhood of the unit ball in $\mathbb{C}^2$. The proof rests on
establishing an integral identity involving the CR curvature of $\partial
\Omega$ for any holomorphic vector field defined in a neighborhood of the
boundary. The notion of ambient holomorphic vector field along the CR boundary
generalizes natur 查看全文>>