2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/227462In this paper we present an algorithm to compute all unirational fields of transcendence degree one containing a given finite set of multivariate rational functions. In particular, we provide an algorithm to decompose a multivariate rational function f of the form f=g(h), where g is a univariate rational function and h a multivariate one.17 pages (single column)Symbolic ComputationCommutative AlgebraI.1.1; I.1.2text