研究キーワード (5件):
Abelian A-module
, Local shtuka
, Anderson A-motive
, Drinfeld加群
, Galois表現
競争的資金等の研究課題 (1件):
2020 - 2021 関数体上のT-モチーフに関わる非存在性問題の研究
論文 (5件):
Yoshiaki Okumura. Congruences of Galois representations attached to effective A-motives over global function fields. International Journal of Number Theory. 2023. 20. 01. 119-158
Yoshiaki Okumura. Parametrization of virtually K-rational Drinfeld modules of rank two. Functiones et Approximatio Commentarii Mathematici. 2021. 65. 2. 157-174
On Drinfeld modules with Rasmussen-Tamagawa type conditions: a resume (Algebraic Number Theory and Related Topics 2017). 数理解析研究所講究録別冊. 2020. B83. 243-251
Yoshiaki OKUMURA. A FUNCTION FIELD ANALOGUE OF THE RASMUSSEN-TAMAGAWA CONJECTURE: THE DRINFELD MODULE CASE. Kyushu Journal of Mathematics. 2019. 73. 2. 295-316