Change of coefficients in the $p\ne \ell$ local Langlands correspondence for $G{L}_n$

Tibor Backhausz

Let $\ell$ and $p$ be distinct primes, $n$ a positive integer, $F_{\ell }$ an $\ell$-adic local field of characteristic $0,$ and let $W(k)$ denote the ring of Witt vectors over an alg…