TY - JOUR AU - Arrondo Esteban, Enrique AU - Bertolini, Marina AU - Turrini, Cristina PY - 2011 DO - http://dx.doi.org10.1515/FORM.2011.004 SN - 0933-7741 UR - https://hdl.handle.net/20.500.14352/42078 T2 - Forum Mathematicum AB - In this paper we study the normal bundle of the embedding of subvarieties of dimension n - 1 in the Grassmann variety of lines in P(n). Making use of some results on the geometry of the focal loci of congruences ([4] and [5]), we give some criteria to... LA - eng M2 - 223 PB - WALTER DE GRUYTER KW - Normal bundle KW - ampleness KW - line congruence KW - Grassmannian. TI - On the ampleness ofthe normal bundle of line congruences TY - journal article VL - 23 ER -