[EN] We obtain a characterization of Hausdorff left K-complete quasi-metric spaces by means of alpha-psi-contractive mappings, from which we deduce the somewhat surprising fact that one the main fixed point theorems of ...
[EN] Here, we deal with the concept of fuzzy metric space(X,M,*), due to George and Veeramani. Based on the fuzzy diameter for a subset ofX, we introduce the notion of strong fuzzy diameter zero for a family of subsets. ...
García, Domingo; Jorda Mora, Enrique; Maestre, Manuel(Elsevier, 2017-01-15)
[EN] In this paper we give a new characterization of when a Banach space E has the Schur property in terms of the disk algebra. We prove that E has the Schur property if and only if A(D, E) = A(D,E-w). (C) 2016 Elsevier ...
[EN] We characterize the wave front set WF*P (u) with respect to the iterates of a linear partial differential operator with constant coefficients of a classical distribution u is an element of D '(Omega), Omega an open ...
[EN] Background: The respiratory epithelium is frequently infected by the respiratory syncytial virus, resulting in inflammation, a
reduction in cilia activity and an increase in the production of mucus.
Methods: In this ...
[EN] In this paper we obtain some theoretical results about iterative methods with memory for nonlinear equations. The class of algorithms we consider focus on incorporating memory without increasing the computational cost ...
[EN]
In this paper, we have constructed a derivative¿free weighted eighth¿order iterative method with and without memory for solving nonlinear equations. This method is an optimal method as it satisfies the Kung¿Traub ...
Let F be a formation (of finite groups) containing all nilpotent groups such that any normal subgroup of any T-group in F and any subgroup of any soluble T-group in F belongs to F. A subgroup M of a finite group G is said ...
A derivative-free optimal eighth-order family of iterative methods for solving nonlinear equations is constructed using weight functions approach with divided first order differences. Its performance, along with several ...
Ferragut, Antoni; Galindo Pastor, Carlos; Monserrat Delpalillo, Francisco José(Elsevier, 2015-10-01)
We give an algorithm for deciding whether a planar polynomial differential system
has a first integral which factorizes as a product of defining polynomials of curves
with only one place at infinity. In the affirmative ...
Cordero Barbero, Alicia; Torregrosa Sánchez, Juan Ramón(Elsevier, 2011-06-01)
In this paper, a family of Steffensen type methods of fourth-order convergence for solving nonlinear smooth equations is suggested. In the proposed methods, a linear combination of divided differences is used to get a ...
[EN] Purpose: To improve the computer modelling of radiofrequency ablation (RFA) by internally cooled wet (ICW) electrodes with added clinically oriented features. Methods: An improved RFA computer model by ICW electrode ...
[EN] One numerical method was designed to solve the time-dependent, three-dimensional, incompressible Navier-Stokes equations in turbulent thermal channel flows. Its originality lies in the use of several well-known methods ...
Selezneva, I. A.; Ratis, Yuri L.; Hernández, Eugenio; Pérez Quiles, María Jezabel; Fernández de Córdoba, Pedro(ACCEFYN - Academia Colombiana de Ciencias Exactas, Fisicas y Naturales, 2013)
[EN] In this paper we present, with a pedagogical aim, a method to calculate the associated Legendre functions and polynomials. The method uses stable recurrence relations involving these functions.
Carpitella, Silvia; Certa, A.; Izquierdo Sebastián, Joaquín; La Fata, C. M.(Elsevier, 2018)
[EN] The paper proposes an approach that combines reliability analyses and multi-criteria decision methods to optimize maintenance activities of complex systems. A failure mode, effects, and criticality analysts (FMECA) ...
Cortés López, Juan Carlos; Jódar Sánchez, Lucas Antonio; Romero Bauset, José Vicente; Roselló Ferragud, María Dolores(Elsevier, 2011-11)
The aim of this paper is twofold. First, we deal with the extension to the random framework of the piecewise Fröbenius method to solve Airy differential equations. This extension is based on mean square stochastic calculus. ...
The study of rooms devoted to sound transmission has become a discipline in which all the fundamentals areas of current scientific research in acoustics converge. To demonstrate how this convergence arises in this work, ...
Carreño-Alvarado, Elizabeth P.; Reynoso-Meza, Gilberto; Montalvo, Idel; Izquierdo Sebastián, Joaquín(International Center for Numerical Methods in Engineering (CIMNE), 2017-07-05)
[EN] Leak detection and isolation (LDI) is a problem of interest for water management companies
and their technical staff. Main reasons for this are that early detection of leakages can reduce
dramatically (1) water ...
Corberán, A.; Mota, E.; Sanchís Llopis, José María(Elsevier, 2006-12)
[EN] Arc routing problems on mixed graphs have been modelled in the literature either using just one variable per edge or associating to each edge two variables, each one representing its traversal in the corresponding ...