Scientific Publicactions

Papers published in national refereed journals

    64."Duality in Non-convex Optimization" (In spanish), Actas of the Third Congress of Mathematics Capricornio, (COMCA'93), Antofagasta-Chile (17 pages).

    65."A constructive method for selections from the subdifferential of a convex function" (In Spanish), Memorias del IV Encuentro de Matemática y sus Aplicaciones (1994), pp. 167-180. Escuela Politécnica Nacional, Quito-Ecuador.

    66."Existence and non-existence in the Calculus of Variations" (Plenary Conference delivered in Spanish), Memorias del LXVI Encuentro Sociedad de Matemática de Chile (Valparaiso-Chile, October 28-29, 1994), pp. 02-11.

    67."El Rol de la Convexidad en Elasticidad Finita", Revista de la Facultad de Ciencias U.N.I. (Lima-Perú), 1 No 1 (1995), 11-15.

    68."An introduction to the Calculus of Variations: the direct method and an indirect one" (In Spanish), Revista de la Facultad de Ciencias U.N.I. (Lima-Perú), 2 No 2 (1996), 12-30.

    69."A Liapunov-type result in the Calculus of Variations" (In Spanish), Revista de la Facultad de Ciencias U.N.I. (Lima-Perú), 4 No 1 (1999), 41-59 (with V. Briceño).

    70."Variational problems in Economics" (In spanish), Revista de Física y Matemática (FISMAT) de la Facultad de Ciencias, Escuela Poltécnica Nacional (Quito-Ecuador), VII No 1 & 2 (1999), 90-114.