no code implementations • 12 Jan 2022 • Chenbo Shi, Mohsen Emadikhiav, Leonardo Lozano, David Bergman
In this paper, we provide an overview of the approaches appearing in the literature to construct a trust region, and propose three alternative approaches.
no code implementations • 13 Dec 2021 • Keliang Wang, Leonardo Lozano, Carlos Cardonha, David Bergman
We study how to incorporate a neural network ensemble as the objective function of an optimization model and explore computational approaches for the ensuing problem.
1 code implementation • Computers and Operations Research 2012 • Leonardo Lozano, Andrés L. Medaglia
The constrained shortest path (CSP) is a well known NP-Hard problem.