Descripción: “...Thus, we presented an approximation to the thought of María Zambrano regarding hope, a reflection that in times of despair regains sense since the underlying intention of this paper is to invite contemporary man to place himself in the corner of Zambrano’s hope, from which it will be possible to move from the realm of the impossible to the scenario of the possible, recurring to some key works by the author. Through four stages: hope in the project of becoming; the hopeless hope; the confused hope; and hope confession; circulated the idea of a renewed man, projecting optimism towards building a new humanism animated by hope and reconciliation. ...”

Descripción: “...Abstract— In this paper we propose a mathematical programming model to optimize the tactical planning of the surgery service of a complex Colombian Hospital by using efficiently its resources, seeking for greater financial incomes and analyzing its capacity. ...”