2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/143645We prove a character sum identity for Coxeter arrangements which is a finite field analogue of Macdonald's conjecture proved by Opdam.20 pages, to appear in Transactions of the A.M.SAlgebraic Geometry11T24; 11L05; 33C80Character sums associated to finite Coxeter groupstext