2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/62543The main aim of the paper is to formulate and prove a result about the structure of double affine Hecke algebras which allows its two commutative subalgebras to play a symmetric role. This result is essential for the theory of intertwiners of double affine Hecke algebras.18 pagesQuantum Algebratext