Fernando Galván, José FranciscoGamboa Mutuberria, José Manuel2023-06-202023-06-2020030022-404910.1016/S0022-4049(02)00121-4https://hdl.handle.net/20.500.14352/57238Let R be a real closed field and n greater than or equal to 2. We prove that: (1) for every finite subset F of R", the semialgebraic set R"\F is a polynomial image of R"; and (2) for any independent linear forms 1, of R", the semialgebraic set {l(1) > 0,..., l(r) > 0} subset of R" is a polynomial image of R"engjournal articlehttp://www.sciencedirect.com/science/article/pii/S0022404902001214http://www.sciencedirect.com/restricted access512.7RealGeometria algebraica1201.01 Geometría Algebraica