Now showing items 1-10 of 140
On an approximate analytical solution to a nonlinear vibrating problem, excited by a nonideal motor
(Nonlinear Dynamics, 2007-12-01) [Artigo]
This paper analyzes through Multiple Scales Method a response of a simplified nonideal and nonlinear vibrating system. Here, one verifies the interactions between the dynamics of the DC motor (excitation) and the dynamics ...
The relationship between differential equations with piecewise constant argument and the associated discrete equations, via dichotomic maps
(Dynamics of Continuous, Discrete and Impulsive Systems Series A: Mathematical Analysis, 2005-12-01) [Artigo]
Dichotomic maps are considered by means of the stability and asymptotic stability of the null solution of a class of differential equations with argument [t] via associated discrete equations, where [.] designates the ...
A NOTE ON RESOLVENT CONVERGENCE ON A THIN DOMAIN
(Bulletin Of The Australian Mathematical Society, 2014-02-01) [Artigo]
In this paper we provide a new proof of strong convergence of resolvent operators associated with boundary value problems on thin domains.
A scalable re-ranking method for content-based image retrieval
(Information Sciences, 2014-05-01) [Artigo]
Content-based Image Retrieval (CBIR) systems consider only a pairwise analysis, i.e., they measure the similarity between pairs of images, ignoring the rich information encoded in the relations among several images. However, ...
Husserl's phenomenology and Weyl's predictivism
(Synthese, 1997-02-01) [Artigo]
In this paper I discuss the version of predicative analysis put forward by Hermann Weyl in Das Kontinuum. I try to establish how much of the underlying motivation for Weyl's position may be due to his acceptance of a ...
Functions and vector fields on C(CPn)-singular manifolds
(Ukrainian Mathematical Journal, 2014-08-01) [Artigo]
Let M2n+1 be a C(CPn) -singular manifold. We study functions and vector fields with isolated singularities on M2n+1. A C(CPn) -singular manifold is obtained from a smooth manifold M2n+1 with boundary in the form of a ...
Measure Functional Differential Equations in the Space of Functions of Bounded Variation
(Abstract and Applied Analysis, 2013-01-01) [Artigo]
We establish general conditions for the unique solvability of nonlinear measure functional differential equations in terms of properties of suitable linear majorants.
Stability of the null solution of the equation ẋ(t) = -a(t)x(t) + b(t)x([t])
(International Journal of Pure and Applied Mathematics, 2010-12-10) [Artigo]
The asymptotic stability of the null solution of the equation ẋ(t) = -a(t)x(t)+b(t)x([t]) with argument [t], where [t] designates the greatest integer function, is studied by means of dichotomic maps. © 2010 Academic Publications.
Stability results for impulsive functional differential equations with infinite delay
(Nonlinear Analysis-theory Methods & Applications, 2012-12-01) [Artigo]
For a family of differential equations with infinitive delay and impulses, we establish conditions for the existence of global solutions and for the global asymptotic and global exponential stabilities of an equilibrium ...
Boundary oscillations and nonlinear boundary conditions
(Comptes Rendus Mathematique, 2006-07-15) [Artigo]
We study how oscillations in the boundary of a domain affect the behavior of solutions of elliptic equations with nonlinear boundary conditions of the type partial derivative u/partial derivative n + g(x, u) = 0. We show ...