Listar Revista Colombiana de Matemáticas por autor "Joyal, André"
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Separably real closed local rings
Joyal, André; Reyes, Gonzalo E.It is well known that several types of "variable reals" arising in topos theory (Dedekind reals, Cauchy reals, smooth reals, etc.) are not real closed, in the sense that a polynomial (with "variable real" coefficients) ...Universidad Nacional de Colombia Revistas electrónicas UN Revista Colombiana de Matemáticas.