[EN] In recent years, mountain ecosystems in southern Ecuador have experienced increasing pressure associated with the exploitation and extraction of natural resources; These activities generally produce waste of different ...
Guijarro, Francisco; Poyatos-León, Juan Ángel(MDPI AG, 2018)
[EN] The 17 Sustainable Development Goals (SDGs) adopted by the United Nations are at the center of the global political agenda to eradicate extreme poverty, achieve universal education, promote gender equality and ensure ...
[EN] In this paper, numerical methods for the solution of linear singular differential system are analyzed. The numerical solution of initial value problem by means of a corresponding finite difference approach and a ...
El ruido ambiental es una consecuencia directa no deseada de las propias actividades que se
desarrollan en las grandes ciudades y que incide de forma principal en la calidad de vida de
la población. Una medida importante ...
The present research aims at finding the external variables that best describe the logistic performance of a country. For this, the variables that theoretically characterize the logistics were identified, once the PCA ...
Martinez-Tabares, F. J.; Costa-Salas, Y. J.; Cuesta Frau, David; Castellanos-Dominguez, G.(Hindawi Publishing Corporation, 2016)
Wearable sensor systems will soon become part of the available medical tools for remote and long term physiological monitoring. However, the set of variables involved in the performance of these systems are usually ...
[EN] The purpose of this paper is to introduce a new generalized inverse, called DMP inverse, associated with a square complex matrix using its Drazin and Moore-Penrose inverses. DMP inverse extends the notion of core ...
[EN] According to data from the United Nations (UN), 54.6% of the people live in cities, where more than ¿ of gross domestic product is produced. Furthermore, the International Organization of United Nations forecast that ...
The well-known classes of EP matrices and normal matrices are de-
fined by the matrices that commute with their Moore-Penrose inverse
and with their conjugate transpose, respectively. This paper investigates
the class ...
Domingo, Luis R.; Pérez, Patricia; Sáez-Cases, José Antonio(Royal Society of Chemistry, 2013)
[EN] Building upon our recent studies devoted to the bonding changes in polar reactions [RSC Advances, 2012, 2, 1334 and Org. Biomol. Chem., 2012, 10, 3841], we propose herein two new electrophilic, P-k(+), and nucleophilic, ...
Domingo, Luis R.; Pérez, Patricia; Sáez-Cases, José Antonio(Elsevier, 2013-01-07)
[EN] The regioselectivity in the hetero Diels-Alder reaction between nitrosoethylene 1 and 1-vinylpyrrolidine 2 has been studied by a comparative ELF bonding analysis along the IRC of the endo/ortho and endo/meta regioisomeric ...