Artículos: Recent submissions
Now showing items 1701-1720 of 4223
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Latin American Chronicle: Magazines, natural haBitat of quality journalisM [CrÓnica latinoamericana: Las revistas, hÁbitat natural del periodismo bien hecho]
This article is a result of the research project Crónica latinoamericana actual: lo maravilloso real. Análisis del periodismo narrativo de Alberto Salcedo Ramos presented by the author for the degree of Doctor in Lenguajes ... -
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Landau damping in cilyndrical inhomogeneous plasmas
We study the Landau damping for electromagnetic waves in a inhomogeneous cylindrical plasma in the presence of a strong axial magnetic field. For this task we use the kinetic theory for plasmas. This kind of phenomena can ... -
Internet of things electromechanical method and device for new or installed gas stoves: Making home safier
Electronic devices have been dabbled into houses to perform automatic tasks and fulfill different needs such as illumination, cooking, air conditioning, surveillance, among others. Furthermore, those elements can collect ... -
Laboratories of social innovation, as a strategy for the strengthening of citizen participation [Laboratorios de innovación social, como estrategia para el fortalecimiento de la participación ciudadana]
The present article approaches elements of the design of a laboratory of social innovation from the Faculty of Social Sciences of the Greater School of Antioquia in the city of Medellin-Colombia, with the purpose of ... -
An Entropy-Based Graph Construction Method for Representing and Clustering Biological Data
Unsupervised learning methods are commonly used to perform the non-trivial task of uncovering structure in biological data. However, conventional approaches rely on methods that make assumptions about data distribution and ... -
Kalanchoe daigremontiana leaf extract: A green stabilizing agent in synthesis of Silver Nanoparticles
The synthesis of silver nanoparticles (AgNPs) has been increasingly extended due to its potential applications in fields such as optics, environmental, catalysis, electronics and as an antibacterial agent. In this way it ... -
Electronic and magnetic properties of pentagonal nanoribbons
We systematically study the electronic and magnetic properties of one dimensional derivatives of a family of materials closely related to penta-graphene, obtained from it by replacing the four-fold coordinated carbon atoms ... -
A Note About Measures, Jacobians and Moore–Penrose Inverse
Some general problems of Jacobian computations in non-full rank matrices are revised in this work. We prove that the Jacobian of the Moore Penrose inverse derived via matrix differential calculus is incorrect. In addition, ... -
Global value chains: a bibliographical review
(Universidad de MedellínFacultad de DerechoMedellín, 2019-11-06)During the last thirty years, production of goods and services has undergone a relocation and fragmentation process worldwide. This new phase of productive organization was called global value chains. The studies framed ... -
Reviewers
(Universidad de MedellínFacultad de DerechoMedellín, 2019-11-06) -
Alternative models to explain the evolution of Spanish public spending
(Universidad de MedellínFacultad de DerechoMedellín, 2019-11-06)To study the evolution of public spending in Spain during 1964-2016, this article empirically con-trasts different alternative models, with variables from both the supply and demands sides, The usual methodology of unit ... -
Approaches and debates about natural resources, accumulation and territory
(Universidad de MedellínFacultad de DerechoMedellín, 2019-11-06)The paper addresses approaches to the current theoretical debate about activities based on the exploitation of natural resources (RRNN) and their role in the territorial accumulation process of the current cycle of capitalism. ... -
Editorial
(Universidad de MedellínFacultad de DerechoMedellín, 2019-11-06)The 51st edition of the Semestre Económico journal is composed by seven articles in which topics belonging to the research fields defined in the scope of the journal are presented, such as economic development, regional ... -
Human scale development of Venezuelan immigrants in San José de Cúcuta
(Universidad de MedellínFacultad de DerechoMedellín, 2019-11-06)The present study determines the differences between living conditions of Venezuelan immigrants in the border city of Cúcuta, Colombia, and their comprehension and vision of development from the approach of the human scale ... -
Efficiency of forward as an instrument for exchange risk coverage in companies performing foreign trade operations, 2011-2017
(Universidad de MedellínFacultad de DerechoMedellín, 2019-11-06)This paper evaluates the efficiency of forward contracts derived from the exchange rate of American dollars / Colombian pesos (USD / COP), as a hedging instrument for foreign exchange risk, to which companies that carry ... -
The concept of elasticity and strategies for teaching it in introductory courses of economics
(Universidad de MedellínFacultad de DerechoMedellín, 2019-11-06)This article presents a geometric and algebraical approach to teach the concept of elasticity for undergraduate students with different levels of knowledge in mathematics and pointing out why it is necessary to introduce ... -
Small farmer s integration strategy in the exporting chain
(Universidad de MedellínFacultad de DerechoMedellín, 2019-11-06)Export-oriented agriculture in Peru has significant development, which generates encouraging ex-pectations for economy. In this context, small farmers must be integrated, which is why the article aims to expose what is ... -
Urban land and real estate dynamics. Elements for a critical interpretation in Brazil
(Universidad de MedellínFacultad de DerechoMedellín, 2019-11-06)The article discusses urban land markets in the face of conditions and mechanisms of real estate dynamics, a condition for understanding the multiple roles that urban land plays in Brazil: an instrument of political and ... -
Regional deconcentration of industry in Brazil: reasons to celebrate?
(Universidad de MedellínFacultad de DerechoMedellín, 2019-11-06)The article analyzes the deconcentration of the industry and its implications in the national territory between 1996 and 2015 and uses a set of indicators, such as rate of industrial transformation (RIT), industry productivity ...