Normal projective surfaces with
Marco Manetti (1993)
Rendiconti del Seminario Matematico della Università di Padova
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Marco Manetti (1993)
Rendiconti del Seminario Matematico della Università di Padova
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Lawrence Brenton (1980)
Mathematische Annalen
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Mikio Furushima (1990)
Compositio Mathematica
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Robin Hartshorne (1969)
Publications Mathématiques de l'IHÉS
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G. Angermüller, W. Barth (1982)
Compositio Mathematica
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Piercarlo Craighero, Remo Gattazzo (1994)
Rendiconti del Seminario Matematico della Università di Padova
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Georges Dloussky (2011)
Annales de la faculté des sciences de Toulouse Mathématiques
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We study singularities obtained by the contraction of the maximal divisor in compact (non-kählerian) surfaces which contain global spherical shells. These singularities are of genus 1 or 2, may be -Gorenstein, numerically Gorenstein or Gorenstein. A family of polynomials depending on the configuration of the curves computes the discriminants of the quadratic forms of these singularities. We introduce a multiplicative branch topological invariant which determines the twisting coefficient...
Rick Miranda (1990)
Mathematische Zeitschrift
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