2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/186453We show that the coherent state quantization of massive particles in 1+1 de Sitter space exhibits an ordering property: There exist some classical observables $A$ and $A^*$ such that $O_{A^{*p}}O_{A^q}=O_{A^{*p} A^q}$ $p, q \in \Z$, where $O_A$ is the quantum observable corresponding to the classical observable $A$.Accepted in Phys. Lett. AMathematical Physicstext