2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/103480A three-parametric $R$-matrix satisfying a graded Yang-Baxter equation is introduced.This $R$-matrix allows us to construct new quantum supergroups which are deformations of the supergroup $GL(1/1)$ and the universal enveloping algebra $U[gl(1/1)]$.RevTeX, 4 pages, no figuresHigh Energy Physics - TheoryMathematical PhysicsQuantum Algebratext