2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/71771The general linear group acts on $m$-tuples of $N\times N$ matrices by simultaneous conjugation. Quantum deformations of the corresponding rings of invariants and the so-called trace rings are investigated.25 pagesQuantum AlgebraRings and Algebras16W35; 16R30; 20G42text