Exceptional cases of adelic surjectivity for Drinfeld modules of rank 2
Volume 202 / 2022
Acta Arithmetica 202 (2022), 361-377
MSC: 11G09, 11R32, 11R37, 11R58, 11R60.
DOI: 10.4064/aa210405-23-11
Published online: 10 March 2022
Abstract
We study the surjectivity of the adelic Galois representation associated to Drinfeld $\mathbb {F}_q[T]$-modules over $\mathbb {F}_q(T)$ of rank 2 when $q$ is even or $q=3$.
