Papers and Talks

Preprints and Publications

1. Torsion of elliptic curves with rational j-invariant over the maximal elementary abelian 2-extension of Q, accepted for publication in Tohoku Math. Journal (arXiv:2412.11202)

2. Torsion of elliptic curves over quartic number fields with rational j-invariant, submitted for publication (arXiv:2501.00400)

3. A Tate algebra version of the Jacobian Conjecture (with K. Kato and R. Komiya), J. of Pure and Applied Algebra 229 (12) 2025. (https://doi.org/10.1016/j.jpaa.2025.108129 )

In preparation

4. On the category of modules over bands : Relative Schemes and Proto-exactness, in preparation.

Talks

1. Kyushu Algebraic Number Theory 2024, Kyushu University, February 28–March 1, 2024

2. Ookayama Youth Seminar in Algebra, Tokyo Institute of Technology, April 19, 2024

3. 23rd Sendai-Hiroshima Workshop on Number theory, Tohoku University, July 9-12, 2024

4. MSJ Spring Meeting 2026, Tokyo University of Science, March 23-26, 2026