Zobrazeno 1 - 10
of 31
pro vyhledávání: '"Héctor López-Ospina"'
Publikováno v:
Mathematics, Vol 12, Iss 13, p 1921 (2024)
Portfolio management typically aims to achieve better returns per unit of risk by building efficient portfolios. The Markowitz framework is the classic approach used when decision-makers know the expected returns and covariance matrix of assets. Howe
Externí odkaz:
https://doaj.org/article/d4e16b57845140dd91c4160a5bb444c3
Publikováno v:
Mathematics, Vol 12, Iss 11, p 1751 (2024)
This paper presents a profit optimization model for substitute products in a competitive, time-sensitive market with scarcity and shifting user preferences. The model maximizes profit, considering production costs and inventory maintenance. It uses a
Externí odkaz:
https://doaj.org/article/32be560ab1cf44b89accd5a21b292b12
Autor:
Juan Pérez, Héctor López-Ospina
Publikováno v:
Mathematics, Vol 10, Iss 19, p 3600 (2022)
Defining prices and in which consumers’ segments to put the company’s efforts within competitive markets selling bundles is challenging. On the one hand, methodologies focused on competition are usually appropriate for analyzing market dynamics b
Externí odkaz:
https://doaj.org/article/3a8f6c72e340420582371bc398086f87
Autor:
Andrés Felipe Porto, César Augusto Henao, Héctor López-Ospina, Esneyder Rafael González, Virginia I. González
Publikováno v:
Data in Brief, Vol 32, Iss , Pp 106066- (2020)
This data article describes datasets from a home improvement retail store located in Santiago, Chile. The datasets have been developed to simultaneously solve a staffing and tour scheduling problem that incorporates flexible contracts and multiskille
Externí odkaz:
https://doaj.org/article/3bc7e851f60e4bc397eff772618cb88d
Publikováno v:
International Journal of Industrial Engineering Computations, Vol 9, Iss 2, Pp 205-220 (2017)
Decision making in supply chains is influenced by demand variations, and hence sales, purchase orders and inventory levels are therefore concerned. This paper presents a non-linear optimization model for a two-echelon supply chain, for a unique produ
Externí odkaz:
https://doaj.org/article/9a7c2a1bf01041229b6a3a5dc0591b19
Autor:
Luis E. Quezada, Héctor López-Ospina, Miguel Ángel González, Astrid Oddershede, Pedro Palominos
Publikováno v:
International Journal of Information Technology & Decision Making. :1-39
This paper presents a method for identifying causal relationships between strategic objectives within a strategy map of a Balanced Scorecard. Strategy maps are modeled as a network of strategic objectives (nodes) and causal relationships (directed ar
Autor:
Héctor López-Ospina, Daniela Pardo, Alejandra Rojas, Ricardo Barros-Castro, Katherine Palacio, Luis Quezada
Publikováno v:
Soft Computing. 26:6619-6644
Publikováno v:
European Journal of Operational Research. 293:1168-1187
We propose a model to design bundles’ composition under competition, quantifying its effect in terms of profit and market share in a game among competing firms. According to our literature review, no previous models on optimal bundle composition ca
Integrating pricing and coordinated inventory decisions between one warehouse and multiple retailers
Autor:
Juan Güiza, Héctor López-Ospina, Rodrigo Romero, Jennifer Murillo, Rafael Luque, David Barrera
Publikováno v:
Journal of Industrial and Production Engineering. 38:536-546
Autor:
Jorge Urrutia-Mosquera, Romario Peña, Juan Eduardo Pérez, Héctor López-Ospina, Juan Carlos Figueroa-García, Cristián E. Cortés
Publikováno v:
Transportmetrica A: Transport Science. 18:963-1000
We formulate a bi-objective distribution model for urban trips constrained by origins and destinations while maximizing entropy. We develop a flexible and consistent approach in which the estimatio...