Liu, Xiaoji; Wu, Lingling; Benítez López, Julio(ILAS–the International Linear Algebra Society, 2011-05)
[EN] In this paper, some formulas are found for the group inverse of aP | bQ, where P and Q are two nonzero group invertible complex matrices satisfying certain conditions and a, b nonzero complex numbers.
Ali Akbar, Kamaludheen; Mubeena, T.(Universitat Politècnica de València, 2022-10-03)
[EN] In this article, we prove that the group of all increasing homeomorphisms on R has exactly five normal subgroups, and the group of all homeomorphisms on R has exactly four normal subgroups. There are several results ...
[EN] We revisit the problem of studying the solutions growth order in complex higher order linear differential equations with entire and meromorphic coefficients of p,q-order, proving how it is related to the growth of the ...
Isidro San Juan, José María; Fernández de Córdoba, Pedro(MDPI AG, 2018)
[EN] The holographic principle sets an upper bound on the total (Boltzmann) entropy content of
the Universe at around 10123kB (kB being Boltzmann¿s constant). In this work we point out the existence
of a remarkable duality ...
A certain vector-tensor (VT) theory of gravitation was tested in previous papers. In the background universe, the vector field of the theory has a certain energy density, which is appropriate to play the role of vacuum ...
[EN] In this paper, we propose a method for automatic identifying
emotions in written texts in social media with high proliferation such as
Facebook. For that task we try to model the way people use the language
to ...
[EN] Public administrations are organizations whose mission is to serve the interests of society by providing efficient and sustainable services. Much of the information received from public administrations uses social ...
[EN] the current work a computational study to evaluate the effect of the DPF downsizing on filtration efficiency is performed. The DPF is conventionally placed downstream of the turbine. However, its placement upstream ...
Rangel-Pardo, Francisco Manuel; Rosso, Paolo(Elsevier, 2016-01)
[EN] In this paper, we investigate the impact of emotions on author profiling, concretely identifying
age and gender. Firstly, we propose the EmoGraph method for modelling the way people use
the language to express ...
[EN] Wall-flow particulate filters are a required exhaust aftertreatment system to abate particulate matter emissions and meet current and incoming regulations applying worldwide to new generations of diesel and gasoline ...
Serrano, J.R.; Climent, H.; De La Morena, Joaquín; Gómez-Vilanova, Alejandro(Elsevier, 2023-03-05)
[EN] Among other advances in spark ignited internal combustion engines' field, the variable geometry turbine (VGT) is being analysed to achieve further CO2 reduction objectives. This paper analyses the potential implications ...
Hernández Luz, Carles; Roca Pérez, Antoni; Silla Jiménez, Federico; Flich Cardo, José; Duato Marín, José Francisco(Institute of Electrical and Electronics Engineers (IEEE), 2012-02)
[EN] Current integration scales allow designing chip multiprocessors (CMP), where cores are interconnected by means of a network-on-chip (NoC). Unfortunately, the small feature size of current integration scales causes ...
Perre, Patrick; Challansonnex, Arnaud(Editorial Universitat Politècnica de València, 2018-09-07)
[EN] The present work is focused on mass transfer characterization of hygroscopic materials used for insulation, such as Low Density Fibreboards. Due to their particular morphology, these panels present a very high mass ...
Camarena, Joan-Gerard; Morillas, Samuel; Cisneros, F.J.(Universitat Politècnica de València, 2011-06-05)
[EN] Students motivation for learning mathematical concepts can be increased when showing the usefulness of these concepts in practical problems. One important mathematical concept is the concept of metric space and, more ...
[EN] The efficiency of a firm can be assessed from several perspectives and using a variety of methodologies. Data envelopment analysis (DEA) is one of the most commonly used methodologies. Conventional DEA analyses or ...
Navarro Cerrillo, Rafael M.; Campo García, Antonio Dámaso del; Ceacero Ruíz, Carlos Juan; QUERO, JOSÉ LUIS; Hermoso de Mena, Javier(Elsevier, 2014-06)
[EN] Pine seedling survival and growth in eastern Spain have often been related to site preparation, planting date and seedling stock. However, in spite of the acknowledged importance of spatial heterogeneity in seedling ...
Chicharro, Francisco I.; Cordero Barbero, Alicia; Garrido, Neus; Torregrosa Sánchez, Juan Ramón(Elsevier, 2020-06)
[EN] Iterative methods with memory for solving nonlinear systems have been designed. For approximating the accelerating parameters the Kurchatov's divided difference is used as an approximation of the derivative of second ...
[EN] While the influence of inlet geometry on turbocharger compressor behaviour has usually been investigated in terms of performance, surge margin and efficiency, data is scarce regarding the impact of the inlet flow field ...
Roig Villanueva, Ferran(Universitat Politècnica de València, 2023-03-03)
[ES] En la sociedad actual hay cada vez una mayor conciencia de la importancia del calentamiento global. Esta preocupación se ve reflejada por los poderes legislativos de las naciones occidentales en normativas de emisiones ...
[EN] The performance of strained silicon devices based on the deposition of a top silicon nitride layer with high stress have been thoroughly analyzed by means of simulations and experimental results. Results
clearly ...