2 papers
math.NT2026
Modular curves of density degree
Maarten Derickx, Wontae Hwang, Daeyeol Jeon +1
We determine all modular curves with density degree , i.e. all curves with infinitely many points of degree and only finitely many points of degree $d\leq4…
math.CO2025
Non-Jordaness of the automorphism group of the zero-divisor graph of a matrix ring over number rings
WonTae Hwang, Ei Thu Thu Kyaw
We provide a construction of the induced subgraphs of the zero-divisor graph of for the ring of algebraic integers of some number fields that are neither complete nor…