Pulling back torsion line bundles to ideal classes

Jean Gillibert, Aaron Levin
2012 Mathematical Research Letters  
We prove results concerning the specialization of torsion line bundles on a variety V defined over Q to ideal classes of number fields. This gives a new general technique for constructing and counting number fields with large class group.
doi:10.4310/mrl.2012.v19.n6.a1 fatcat:2f3prdhz4jgohk5gdywnoagbfm