Preprints

Papers

【4】Congruences of Galois representations attached to effective A-motives over global function fields, Int. J. Number Theory, Vol. 20, No. 1 (2024) 119--158.  Also available at  https://arxiv.org/abs/2204.08639v2 , [PDF]       

【3】Parametrization of virtually K-rational Drinfeld modules of rank twoFunct. Approx. Comment. Math. 65. 2 (2021), 157--174.  Also available as https://arxiv.org/abs/1910.14284v3 , [PDF] 

【2】On Drinfeld modules with the Rasmussen-Tamagawa type conditions: a resume, RIMS Kokyuroku Bessatsu B83, Algebraic Number Theory and Related Topics 2017, (2020) 243--251.

【1】A function field analogue of the Rasmussen-Tamagawa conjecture: The Drinfeld module case, Kyushu J.  Math.  73 (2019) no.2, 295--316.


Surveys (in Japanese)

【3】Drinfeld加群のQ-仮想性について, 第13回福岡数論研究集会, 135--144, (2020). [PDF] 


【2】Non-existence of certain abelian varieties with CM factors, 第10回福岡数論研究集会報告集 , 1--6, (2017). [PDF] .


【1】ある例外的なアーベル多様体の非存在性についてHokkaido University technical report series in mathematics  168, 247--251, (2017).  Available as   Here .