Mathematics – Complex Variables
Scientific paper
2011-10-07
Mathematics
Complex Variables
Scientific paper
Let $\Omega\subset\mathbb{C}^n$ be a bounded domain with smooth boundary, whose Bergman projection $B$ maps the Sobolev space $H^{k_{1}}(\Omega)$ (continuously) into $H^{k_{2}}(\Omega)$. We establish two smoothing results: (i) the full Sobolev norm $\|Bf\|_{k_{2}}$ is controlled by $L^2$ derivatives of $f$ taken along a single, distinguished direction (of order $\leq k_{1}$), and (ii) the projection of a conjugate holomorphic function in $L^{2}(\Omega)$ is automatically in $H^{k_{2}}(\Omega)$. There are obvious corollaries for when $B$ is globally regular.
Herbig Anne-Katrin
McNeal Jeffery D.
Straube Emil J.
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