Listar Revista de Matemática: Teoría y Aplicaciones por autor "Alvarado Jiménez, William"
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Modelos minimales de la recta hiperreal
Alvarado Jiménez, William (2009-02-18)A new proof of the existence of minimal models of the hiperreal line is obtained in terms of a combinatorial property of Ramsey ultrafilters over a countable set. -
Puntos fijos hiperbólicos de un difeomorfismo local del plano
Alvarado Jiménez, William (2009-02-18)An extension of J. Palis’ lambda-lemma is obtained for one case of non-transversal intersection of the stable and unstable manifolds of an hyperbolic fixed point of a C2 local diffeomorphism of R2.