TY - JOUR AU - Arrondo Esteban, Enrique PY - 2002 DO - 10.1007/s00032-002-0008-4 SN - 1424-9286 UR - https://hdl.handle.net/20.500.14352/57036 T2 - Milan Journal of Mathematics AB - A line congruence is an irreducible subvariety of dimension n−1 in the Grassmannian of lines in Pn. There are two numerical invariants associated to a line congruence: the order, which is the number of lines passing through a general point of Pn, and... LA - eng M2 - 223 PB - Birkhäuser KW - Grassmannians KW - Schubert varieties TI - Line Congruences of Low Order TY - journal article VL - 70 ER -