2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/77855The fundamental matrix solution of the quantum Knizhnik-Zamolodchikov equation associated with quantum affine sl2 algebra is constructed for |q|=1. The formula for its determinant is given in terms of the double sine function.17 pages, submitted to Contemporary Math. Proceedings for a North-Carolina meetingQuantum AlgebraRepresentation Theorytext