TY - JOUR AU - Ananth N. Shankar AU - Arul Shankar AU - Yunqing Tang AU - Salim Tayou TI - Exceptional jumps of Picard ranks of reductions of K3 surfaces over number fields JO - Forum of Mathematics, Pi PY - 2022 VL - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.1017/fmp.2022.14/ DO - 10.1017/fmp.2022.14 LA - en ID - 10_1017_fmp_2022_14 ER -