2026-06-29T07:26:49Zhttps://docta.ucm.es/rest/oai/request

oai:docta.ucm.es:20.500.14352/333372023-08-26T10:40:59Zcom_20.500.14352_14col_20.500.14352_15

A notion of delta-multigenus for certain rank two ample vector bundles Arrondo Esteban, Enrique Lanteri, Antonio Novelli, Carla 512 Ample vector bundles Grassmannian of lines special varieties Delta-genus classification Álgebra 1201 Álgebra A notion of "delta-genus" for ample vector bundles g of rank two on a smooth projective threefold X is defined as a couple of integers (delta(1),delta(2)).This extends the classical definition holding for ample line bundles. Then pairs (X, epsilon) with low delta(1) and delta(2) are classified under suitable additional assumptions on epsilon. Universidad Complutense de Madrid Universita degli Studi di Genova Universita degli Studi di Milano Depto. de Álgebra, Geometría y Topología Fac. de Ciencias Matemáticas Instituto de Matemática Interdisciplinar (IMI) TRUE pub 2023-06-19T13:21:55Z 2023-06-19T13:21:55Z 2013 journal article https://hdl.handle.net/20.500.14352/33337 0386-5991 10.2996/kmj/1364562725 metadata only access Department of Mathematics, Tokyo Institute of Technology