Birational geometry of hypersurfaces in products of projective spaces
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spaceshypersurfacesbirationaldreamproductsprojectiveampleanalogues
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We study the birational properties of hypersurfaces in products of projective spaces. In the case of hypersurfaces in P^m x P^n, we describe their nef, movable and effective cones and determine when they are Mori dream spaces. Using these results, we give new simple examples of non-Mori dream spaces and analogues of Mumford's example of a strictly nef line bundle which is not ample.
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