2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/131699The content of this preprint together with additional material appears now in 0706.2154.The content of this preprint together with additional material appears now in 0706.2154Representation TheoryAlgebraic Geometry13A50; 14L30; 20G05Fundamental theorems for invariants of a class of pseudo-reflection groupstext