3 papers
math.NT2022
Congruences on the class numbers of for a prime
Jigu Kim, Yoshinori Mizuno
For a prime , let and be the class numbers of and , respectively. Let be the Hir…
math.NT2022
Congruences for odd class numbers of quadratic fields with odd discriminant
Jigu Kim, Yoshinori Mizuno
For any distinct two primes , let , and be the class numbers of the quadratic fields $\mathbb{Q}(\sqrt{-p_1})…
math.NT2020
Distribution of root numbers of Hecke characters attached to some elliptic curves
Keunyoung Jeong, Jigu Kim, Taekyung Kim
In this paper, we show that an action on the set of elliptic curves with j= 1728 preserves a certain kind of symmetry on the local root number of Hecke characters attached to such…