The irregularity of ruled surfaces in three dimensional projective space.
Giraldo, Luis ; Sols, Ignacio
Collectanea Mathematica, Tome 49 (1998), p. 325-334 / Harvested from Biblioteca Digital de Matemáticas
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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.

Publié le : 1998-01-01
DMLE-ID : 386 
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     title = {The irregularity of ruled surfaces in three dimensional projective space.},
     journal = {Collectanea Mathematica},
     volume = {49},
     year = {1998},
     pages = {325-334},
     zbl = {0956.14026},
     mrnumber = {MR1677132},
     language = {en},
     url = {http://dml.mathdoc.fr/item/urn:eudml:doc:41328}
}

Giraldo, Luis; Sols, Ignacio. The irregularity of ruled surfaces in three dimensional projective space.. Collectanea Mathematica, Tome 49 (1998) pp. 325-334. http://gdmltest.u-ga.fr/item/urn:eudml:doc:41328/