Classification of irreducible projective surfaces of smooth sectional genus ... 3.
M. Andreatta, A.J. Sommese (1990)
Mathematica Scandinavica
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M. Andreatta, A.J. Sommese (1990)
Mathematica Scandinavica
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Antonio Lanteri, Sonia Brivio (1989)
Manuscripta mathematica
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Edoardo Ballico, N. Chiarli, S. Greco (2004)
Collectanea Mathematica
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We find some ranges for the 4-tuples of integers (d,g,n,r) for which there is a smooth connected non-degenerate curve of degree d and genus g, which is k-normal for every k ≤ r.
Luis Giraldo, Ignacio Sols (1998)
Collectanea Mathematica
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Let S be a ruled surface in P3 with no multiple generators. Let d and q be nonnegative integers. In this paper we determine which pairs (d,q) correspond to the degree and irregularity of a ruled surface, by considering these surfaces as curves in a smooth quadric hypersurface in P5.
Ingrid Bauer (1995)
Manuscripta mathematica
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Antonio Lanteri, Marino Palleschi (1981)
Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Rendiconti Lincei. Matematica e Applicazioni
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Si caratterizzano alcune classi di superfici in relazione all’indice di autointersezione dell'aggiunto ad un divisore molto ampio.
W. Barth, Th. Bauer (1994)
Manuscripta mathematica
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M. Andreatta, E. Ballico (1990)
Rendiconti del Seminario Matematico della Università di Padova
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Robert D.M. Accola (1993)
Manuscripta mathematica
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Antonio Lanteri, Sonia Brivio (1990)
Manuscripta mathematica
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Caryn Werner (1994)
Manuscripta mathematica
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Margarita Mendes Lopes (2004)
Collectanea Mathematica
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In 1985 Xiao Gang proved that the bicanonical surface of a complex surface S of general type with p2(S) > 2 is not composed of a pencil. In this note a new proof of this theorem is presented.
Ernst Kani, Wolfgang Schanz (1997)
Manuscripta mathematica
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