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Showing 1 to 1 of 1 for “"torus actions, rational homogeneous varieties, birational geometry"”.
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C*-actions on rational homogeneous varieties and the associated birational maps
Given a birational map among projective varieties, it is known that there exists a variety Z with a one-dimensional torus action such that the birational map is induced from two geometric quotients of Z. We proceed in the opposite direction: given a smooth projective variety X with a …