Effective bounds for semipositive sheaves and for the height of points on curves over complex function fields
Hélène Esnault, Eckart Viehweg (1990)
Compositio Mathematica
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Displaying similar documents to “On the existence of special divisors on singular curves”
Effective bounds for semipositive sheaves and for the height of points on curves over complex function fields
Covering of curves, gonality, and scrollar invariants.
Ballico, E. (2006)
Matematichki Vesnik
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Gonality for stable curves and their maps with a smooth curve as their target
Edoardo Ballico (2009)
Open Mathematics
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Here we study the deformation theory of some maps f: X → ℙr , r = 1, 2, where X is a nodal curve and f|T is not constant for every irreducible component T of X. For r = 1 we show that the “stratification by gonality” for any subset of [...] with fixed topological type behaves like the stratification by gonality of M g.
Postulation and gonality for projective curves
Edoardo Ballico (1988)
Rendiconti del Seminario Matematico della Università di Padova
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On reflexive sheaves with low sectional genera on threefolds.
Ballico, Edoardo (1991)
Mathematica Pannonica
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Non-primitive linear systems on smooth algebraic curves and a generalization of Maroni theory.
Ballico, E. (2001)
Rendiconti del Seminario Matematico
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On a class of partial -spreads of arising from scrolls.
Ballico, E., Cossidente, A. (2000)
Mathematica Pannonica
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On linearly normal strange curves
Edoardo Ballico (1993)
Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Rendiconti Lincei. Matematica e Applicazioni
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Here we prove a numerical bound implying that, except for smooth plane conics in characteristic 2, no complete linear system maps birationally a smooth curve into a projective space with a strange curve as image.
Curves of
George R. Kempf (1985)
Compositio Mathematica
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