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math.AG1998
Projective Contact Manifolds
Stefan Kebekus, Thomas Peternell, Andrew J. Sommese +1
We prove that a projective contact manifold X with second Betti number at least 2 whose canonical bundle K_X is not nef, is always the projectivised tangent bundle P(T_Y) of a proj…
math.AG1998
Line bundles for which a projectivized jet bundle is a product
S. Di Rocco, A. J. Sommese
We characterize the triples (X,L,H), consisting of holomorphic line bundles L and H on a complex projective manifold X, such that for some positive integer k, the k-th holomorphic…
math.AG1998
Kodaira Dimension of Subvarieties
Thomas Peternell, Michael Schneider, Andrew J. Sommese
In this article we study how the birational geometry of a normal projective variety is influenced by a normal subvariety One of the most basic examples in this c…