The Alon–Jaeger–Tarsi conjecture via group ring identities
János Nagy
Budapest University of Technology and Economics, Budapest, Hungary; MTA-BME Lendület “Momentum” Arithmetic Combinatorics Research Group, Budapest, HungaryPéter Pál Pach
HUN-REN Alfréd Rényi Institute of Mathematics, Budapest, Hungary; MTA–HUN-REN RI Lendület “Momentum” Arithmetic Combinatorics Research Group, Budapest, Hungary; Budapest University of Technology and Economics, Budapest, Hungary

Abstract
In this paper we resolve the Alon–Jaeger–Tarsi conjecture (dating back to 1981) for sufficiently large primes. Namely, we show that for any finite field of size and any nonsingular matrix over there exists a vector such that neither nor has a zero component.
Cite this article
János Nagy, Péter Pál Pach, The Alon–Jaeger–Tarsi conjecture via group ring identities. J. Eur. Math. Soc. (2025), published online first
DOI 10.4171/JEMS/1640