论文标题
椭圆形曲线的二次磁场的同基因，有理$ j $ invariant
Isogenies over quadratic fields of elliptic curves with rational $j$-invariant
论文作者
论文摘要
我们确定具有合理$ j $ invariant的非CM椭圆曲线的二次椭圆形曲线上定义的循环降压基因的可能程度。
We determine the possible degrees of cyclic isogenies defined over quadratic fields for non-CM elliptic curves with rational $j$-invariant.
