Automorphy of ${\mathrm{GL}}_2\otimes {\mathrm{GL}}_n$ in the self-dual case

Sara Arias-de-Reyna, Luis Dieulefait, Josu Pérez

In this paper we establish a new case of Langlands functoriality. More precisely, we prove that the tensor product of the compatible system of Galois representations attached to a…