Geodesic
Higher secant varieties of curves and the theorem of Nagata on ruled surfaces.
Manuscripta mathematica, Tome 47 (1984), pp. 263-270.

Voir la notice de l'article provenant de la source European Digital Mathematics Library

Mots-clés : secant variety, geometrically ruled surface, self-intersection number, genus 
@article{MM2_1984__47_155015,
     author = {Herbert Lange},
     title = {Higher secant varieties of curves and the theorem of {Nagata} on ruled surfaces.},
     journal = {Manuscripta mathematica},
     pages = {263--270},
     publisher = {mathdoc},
     volume = {47},
     year = {1984},
     zbl = {0578.14044},
     url = {http://geodesic.mathdoc.fr/item/MM2_1984__47_155015/}
}
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Herbert Lange. Higher secant varieties of curves and the theorem of Nagata on ruled surfaces.. Manuscripta mathematica, Tome 47 (1984), pp. 263-270. http://geodesic.mathdoc.fr/item/MM2_1984__47_155015/