Cordero Barbero, Alicia; Hueso Pagoaga, José Luís; Martínez Molada, Eulalia; Torregrosa Sánchez, Juan Ramón(Hindawi Publishing Corporation, 2012)
A family of derivative-free methods of seventh-order convergence for solving nonlinear equations is suggested. In the proposed methods, several linear combinations of divided differences are used in order to get a good ...
Ballester-Bolinches, A; Martínez Pastor, Ana; Pérez-Ramos, M.D.(Cambridge University Press - Australian Mathematical Society, 1998-02)
[EN] In this paper a large family of dominant Fitting classes of finite soluble groups and the description of the
corresponding injectors are obtained. Classical constructions of nilpotent and Lockett injectors as well
as ...
We propose a family of eighth-order iterative methods without memory for solving nonlinear equations. The new iterative methods are developed by using weight function method and using an approximation for the last derivative, ...
Cordero Barbero, Alicia; Soleymani, Fazlollah; Torregrosa Sánchez, Juan Ramón; Haghani, F. Khaksar(Elsevier, 2017)
[EN] We present a parametric family of iterative methods with memory for solving of nonlinear problems including
Kurchatov¿s scheme, preserving its second-order of convergence. By using the tools of multidimensional real ...
Cordero Barbero, Alicia; Torregrosa Sánchez, Juan Ramón; Vassileva, María Penkova(Elsevier, 2011-12)
In this paper, we derive a new family of eighth-order methods for obtaining simple roots of nonlinear equations by using the weight function method. Each iteration of these methods requires three evaluations of the function ...
[EN] Newton-Raphson method has always remained as the widely used method for finding simple and multiple roots of nonlinear equations. In the past years, many new methods have been introduced for finding multiple zeros ...
Cordero Barbero, Alicia; Torregrosa Sánchez, Juan Ramón; Vassileva, Maria P.(Springer-Verlag, 2017)
[EN] Many problems related to gas dynamics, heat transfer or chemical reactions are modeled by means of partial differential equations that usually are solved by using approximation techniques. When they are transformed ...
Abad Rodríguez, Manuel Francisco; Cordero Barbero, Alicia; Torregrosa Sánchez, Juan Ramón(Société des Sciences Mathématiques de Roumanie, 2014)
[EN] This paper focuses on solving nonlinear systems numerically. We propose an efficient
family of three-step iterative schemes with seventh-order of convergence. The proposed
methods are obtained by using the weight ...
[EN] A new HSS-based algorithm for solving systems of nonlinear equations is presented and its semilocal convergence is proved. Spectral properties of the new method are investigated. Performance profile for the new scheme ...
[EN] The early detection of anomalies through the analysis of the neutron noise recorded by in-core and ex-core instrumentation gives the possibility to take proper actions before such problems lead to safety concerns or ...
[EN] The calculation of the smallest number of steps needed to deterministically reach all local states of an nth-order positive 2-D system, which is called local reachability index (ILR) of that system, was recently tackled ...
We obtain a fixed point theorem for generalized contractions on complete
quasi-metric spaces, which involves w-distances and functions of Meir-Keeler and Jachymski type. Our result generalizes in various directions the ...
We obtain a fixed point theorem for a type of generalized contractions on preordered complete fuzzy quasi-metric spaces which is applied to deduce, among other results, a procedure to show in a direct and easy fashion the ...
Akgül, Alí; Cordero Barbero, Alicia; Torregrosa Sánchez, Juan Ramón(Elsevier, 2019-12)
[EN] The use of fractional calculus in many branches of Science and Engineering is wide in the last years. There are different kinds of derivatives that can be useful in different problems. In this manuscript, we put the ...
Barrachina Civera, Xavier; Conejero Casares, José Alberto; García Félix, Vicenta Eloína(OmniaScience, 2011)
Purpose: We quantify the dedication of mentors and mentees in a double-mentor program for freshmen. We also analyze the fulfillment of the expectations of all the participants and the utility of each mentor during the ...
Company Rossi, Rafael; Egorova, Vera N.; Jódar Sánchez, Lucas Antonio(Elsevier, 2021-11)
[EN] American options prices under jump-diffusion models are determined by a free boundary partial integro-differential equation (PIDE) problem. In this paper, we propose a front-fixing exponential time differencing (FF-ETD) ...
Piqueras-García, Miguel Ángel; Company Rossi, Rafael; Jódar Sánchez, Lucas Antonio(Elsevier, 2017)
[EN] The spatial temporal spreading of a new invasive species in a habitat has interest in ecology
and is modeled by a moving boundary diffusion logistic partial differential problem, where
the moving boundary represents ...
[EN] The classical kinetic equation has been broadly used to describe reaction and deactivation processes in chemistry. The mathematical formulation of this deterministic nonlinear differential equation depends on reaction ...
[EN] This paper provides a full probabilistic solution of the randomized fractional linear nonhomogeneous differential equation with a random initial condition via the computation of the first probability density function ...
Tung ., Michael Ming-Sha(European Physical Society, 2012)
[EN] Transformation acoustics centers on the construction of advanced acoustic devices by
combining mathematical transformation techniques with the engineering of acoustic metamaterials. We show how di¿erential-geometric ...