In this article we obtain a complete description of the congruences of lines in P^4 of order one provided that the fundamental surface F is non-reduced (and possibly reducible) at one of its generic points, and their classification under the hypothesis that (F)_red is smooth.
On first order congruences of lines in P^4 with generically non-reduced fundamental surface
DE POI, Pietro
2008-01-01
Abstract
In this article we obtain a complete description of the congruences of lines in P^4 of order one provided that the fundamental surface F is non-reduced (and possibly reducible) at one of its generic points, and their classification under the hypothesis that (F)_red is smooth.File in questo prodotto:
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