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Search Results: 1 - 10 of 18383 matches for " Petru?el Gabriela "
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Fixed-Point Results for Generalized Contractions on Ordered Gauge Spaces with Applications
Chifu Cristian,Petruel Gabriela
Fixed Point Theory and Applications , 2011,
Abstract: The purpose of this paper is to present some fixed-point results for single-valued -contractions on ordered and complete gauge space. Our theorems generalize and extend some recent results in the literature. As an application, existence results for some integral equations on the positive real axis are given.
Well-Posedness and Fractals via Fixed Point Theory
Chifu Cristian,Petruel Gabriela
Fixed Point Theory and Applications , 2008,
Abstract: The purpose of this paper is to present existence, uniqueness, and data dependence results for the strict fixed points of a multivalued operator of Reich type, as well as, some sufficient conditions for the well-posedness of a fixed point problem for the multivalued operator.
Existence and Data Dependence of Fixed Points and Strict Fixed Points for Contractive-Type Multivalued Operators
Cristian Chifu,Gabriela Petruel
Fixed Point Theory and Applications , 2007, DOI: 10.1155/2007/34248
Abstract: The purpose of this paper is to present several existence and data dependence results of the fixed points of some multivalued generalized contractions in complete metric spaces. As for application, a continuation result is given.
Well-Posedness and Fractals via Fixed Point Theory
Cristian Chifu,Gabriela Petruel
Fixed Point Theory and Applications , 2008, DOI: 10.1155/2008/645419
Abstract: The purpose of this paper is to present existence, uniqueness, and data dependence results for the strict fixed points of a multivalued operator of Reich type, as well as, some sufficient conditions for the well-posedness of a fixed point problem for the multivalued operator.
Existence and Data Dependence of Fixed Points and Strict Fixed Points for Contractive-Type Multivalued Operators
Chifu Cristian,Petruel Gabriela
Fixed Point Theory and Applications , 2007,
Abstract: The purpose of this paper is to present several existence and data dependence results of the fixed points of some multivalued generalized contractions in complete metric spaces. As for application, a continuation result is given.
Fixed-Point Results for Generalized Contractions on Ordered Gauge Spaces with Applications
Cristian Chifu,Gabriela Petruşel
Fixed Point Theory and Applications , 2011, DOI: 10.1155/2011/979586
Abstract:
The Theory of Reich's Fixed Point Theorem for Multivalued Operators
Laz?r Tania,Mo? Ghiocel,Petruel Gabriela,Szentesi Silviu
Fixed Point Theory and Applications , 2010,
Abstract: The purpose of this paper is to present a theory of Reich's fixed point theorem for multivalued operators in terms of fixed points, strict fixed points, multivalued weakly Picard operators, multivalued Picard operators, data dependence of the fixed point set, sequence of multivalued operators and fixed points, Ulam-Hyers stability of a multivalued fixed point equation, well-posedness of the fixed point problem, and the generated fractal operator.
The Theory of Reich's Fixed Point Theorem for Multivalued Operators
Tania Lazăr,Ghiocel Moţ,Gabriela Petruşel,Silviu Szentesi
Fixed Point Theory and Applications , 2010, DOI: 10.1155/2010/178421
Abstract: The purpose of this paper is to present a theory of Reich's fixed point theorem for multivalued operators in terms of fixed points, strict fixed points, multivalued weakly Picard operators, multivalued Picard operators, data dependence of the fixed point set, sequence of multivalued operators and fixed points, Ulam-Hyers stability of a multivalued fixed point equation, well-posedness of the fixed point problem, and the generated fractal operator.
Convergence and Error of Some Numerical Methods for Solving a Convection-Diffusion Problem  [PDF]
Gabriela Nut, Ioana Chiorean, Petru Blaga
Applied Mathematics (AM) , 2013, DOI: 10.4236/am.2013.45A009
Abstract:

We use the local Fourier analysis to determine the properties of the multigrid method when used in modeling the skin penetration of a drug. The analyses of these properties can be very in designing an efficient structure of the multigrid method and in comparing the element and finite difference discretization techniques. After the theoretical results obtained, we also present some numerical results for a problem for which the solution is known.

IMPLEMENTING E-GOVERNMENT IN BUDGET CASHING OF LOCAL FINANCES IN TRANSYLVANIA REGION
R?zvan E. PETRUEL
Transylvanian Review of Administrative Sciences , 2006,
Abstract: The principles and the purposes of e-government are ideals, sometimes difficult to reach and to implement. In fact, it is considered a step forward implementing at least a part of those ideals. One of the key domains of e-government is the local public administration. Among the implementations of e-government in local public finances is the access to the list of fees and taxes owed and the possibility to pay them on-line. This article provides an overview of the legal framework, an evaluation of the e-tax systems already functional, and some recommendations regarding the steps that need to be taken in the future.
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