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Scrollar invariants and resolutions of certaind-gonal curves
In this note we compute the scrollar invariants of certaind-gonal curves (e.g. Castelnuovo curves and bielliptic curves) by using appropriate plane models. Ford=4 andg(C)≥10, we show that thoseExpand
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Weierstrass points and their impact in the study of algebraic curves: a historical account from the “Lückensatz” to the 1970s
In this note we give a historical account of the origin and the development of the concept of Weierstrass point. We also explain how Weierstrass points have contributed to the study of compactExpand
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Scrollar invariants and resolutions of certaind-gonal curves
SuntoIn questa nota si determinano gli invarianti scrollari per alcuni tipi di curved-gonaliC (ad esempio curve di Castelnuovo, curve biellittiche) tramite appropriati modelli piani. Perd=4 eg(C)≥10,Expand
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Poncelet’s porism: a long story of renewed discoveries, I
In 1813, J.-V. Poncelet discovered that if there exists a polygon of n-sides, which is inscribed in a given conic and circumscribed about another conic, then infinitely many such polygons exist. ThisExpand
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Projective surfaces with bi-elliptic hyperplane sections
We study projective surfaces X which have a bi-elliptic curve (i.e. 2∶1 covering of an elliptic curve) among their hyperplane sections . We give a complete characterization of those surfaces whenExpand
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Unpublished manuscripts of Sophie Germain and a revaluation of her work on Fermat's Last Theorem
Published here, and discussed, are some manuscripts and a letter of Sophie Germain concerning her work on Fermat’s Last theorem. These autographs, held at Bibliotheque Nationale of Paris, at theExpand
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On certain loci of curves of genus g [ges ] 4 with Weierstrass points whose first non-gap is three
Let [Mfr ]g be the moduli space of smooth curves of genus g [ges ] 4 over the complex field [Copf ] and let [Tfr ]g ⊆ [Mfr ]g be the trigonal locus, i.e. the set of points [C] ∈ [Mfr ]g representingExpand
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