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alg-geom1997★ 1 cited
Numerical Criteria for vey Ampleness of Divisors on Projective Bundles over an elliptic curve
Alberto Alzati, Marina Bertolini, Gian Mario Besana
In Butler, J.Differential Geom. 39 (1):1--34,1994, the author gives a sufficient condition for a line bundle associated with a divisor D to be normally generated on where…
alg-geom1993★ 5 cited
Classification of smooth congruences with a fundamental curve
Enrique Arrondo, Marina Bertolini, Cristina Turrini
We give a classification and a construction of all smooth -dimensional varieties of lines in ${\bf P}\sp n$ verifying that all their lines meet a curve. This also gives a co…