Showing papers by "Alejandro Jofré published in 2015"
TL;DR: The current status of research on the application of OR methods to forestry and a number of research challenges or open questions that will be of interest to both researchers and practitioners are described.
Abstract: Forestry has contributed many problems to the Operations Research (OR) community. At the same time, OR has developed many models and solution methods for use in forestry. In this article, we describe the current status of research on the application of OR methods to forestry and a number of research challenges or open questions that we believe will be of interest to both researchers and practitioners. The areas covered include strategic, tactical and operational planning, fire management, conservation and the use of OR to address environmental concerns. The paper also considers more general methodological areas that are important to forestry including uncertainty, multiple objectives and hierarchical planning.
105 citations
TL;DR: This paper proves geometric characterizations of the free disposal condition for nonconvex economies on infinite dimensional commodity spaces even if the cone and the production set involved in the condition have an empty interior to prove the existence of Pareto and weak Pare to optimal points.
Abstract: Our aim in this paper is to prove geometric characterizations of the free disposal condition for nonconvex economies on infinite dimensional commodity spaces even if the cone and the production set involved in the condition have an empty interior such as in $L^1$ with the positive cone $L^1_+$. We then use this characterization to prove the existence of Pareto and weak Pareto optimal points. We also explore a notion of extremal systems a la Kruger--Mordukhovich. We show that the free disposal hypothesis alone assures the extremality of the production set with respect to some set.
8 citations