A note on the CR cohomology of Levi-Flat minimal orbits in complex flag manifolds

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We prove a relation between the $\bar\partial_M$ cohomology of a minimal orbit $M$ of a real form $G_0$ of a complex semisimple Lie group $G$ in a flag manifold $G/Q$ and the Dolbeault cohomology of the Matsuki dual open orbit $X$ of the complexification $K$ of a maximal compact subgroup $K_0$ of $G_0$, under the assumption that $M$ is Levi-flat.
7 pages, AMS-LaTeX to appear in Rend. Ist. Mat. Univ. Trieste v2: added reference in introduction + minor revision

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