Escribano Martínez, Jesús2023-06-202023-06-2020020019-2082https://hdl.handle.net/20.500.14352/58904We prove that, in any o-minimal structure, definable C-r mappings can always be approximated by definable Cr+1 mappings. As an application we obtain definable triviality for pairs of definable proper submersions.engjournal articlehttp://projecteuclid.org/euclid.ijm/1258136143http://projecteuclid.org/restricted access004Model theory of ordered structureso-minimalitytrivialityInformática (Informática)1203.17 Informática