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Search: MSC category 32D10 ( Envelopes of holomorphy )

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1. CMB 2008 (vol 51 pp. 21)

Baracco, Luca
A Remark on Extensions of CR Functions from Hyperplanes
In the characterization of the range of the Radon transform, one encounters the problem of the holomorphic extension of functions defined on $\R^2\setminus\Delta_\R$ (where $\Delta_\R$ is the diagonal in $\R^2$) and which extend as ``separately holomorphic" functions of their two arguments. In particular, these functions extend in fact to $\C^2\setminus \Delta_\C$ where $\Delta_\C$ is the complexification of $\Delta_\R$. We take this theorem from the integral geometry and put it in the more natural context of the CR geometry where it accepts an easier proof and a more general statement. In this new setting it becomes a variant of the celebrated ``edge of the wedge" theorem of Ajrapetyan and Henkin.

Categories:32D10, 32V25

2. CMB 2005 (vol 48 pp. 500)

Baracco, Luca
Extension of Holomorphic Functions From One Side of a Hypersurface
We give a new proof of former results by G. Zampieri and the author on extension of holomorphic functions from one side $\Omega$ of a real hypersurface $M$ of $\mathbb{C}^n$ in the presence of an analytic disc tangent to $M$, attached to $\bar\Omega$ but not to $M$. Our method enables us to weaken the regularity assumptions both for the hypersurface and the disc.

Keywords:analytic discs, Poisson integral, holomorphic extension
Categories:32D10, 32V25

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