Chia‐Fu Yu

collaborators

2 papers

math.NT2026

Oort's conjecture on supersingular abelian varieties in odd characteristic

Valentijn Karemaker, Chia-Fu Yu

Oort's conjecture asserts that for any $g \geq 2$ and any prime $p$ , every geometric generic member in the supersingular locus $S_{g}$ has automorphism group ${\pm 1}$ .…

math.NT2026

Superspecial Points on Shimura Curves

Yasuhiro Terakado, Jiangwei Xue, Chia-Fu Yu

Let $X$ be the Shimura curve attached to an indefinite quaternion $Q$ -algebra $B$ with a maximal order $O_{B}$ . This paper investigates the reduction $X \otimes F_{p}$ …