نتایج جستجو برای: banach fixed point theorem

تعداد نتایج: 813730  

Journal: :Indian journal of science and technology 2023

Objectives: In this paper, we have to establish a generalized common fixed point theorem in cone rectangular metric spaces. Methods: use the Banach contraction principle technique theorem. Findings: The paper presents unique for two weakly compatible self-maps satisfying expansive type mapping space without assuming normality condition of cone. Our result extends and supplements some well-known...

2010
Haitao Li Yansheng Liu

Using a fixed point theorem in ordered Banach spaces with lattice structure founded by Liu and Sun, this paper investigates the multiplicity of nontrivial solutions for fourth order m-point boundary value problems with sign-changing nonlinearity. Our results are new and improve on those in the literature.

2009
Youyu Wang Weigao Ge Sui Sun Cheng

A multi-point boundary value problem involving the one dimensional p-Laplacian and depending on a parameter is studied in this paper and existence of positive solutions is established by means of a fixed point theorem for operators defined on Banach spaces with cones.

‎In this article‎, ‎we introduce a new type iterative scheme for‎ ‎approximating common fixed points of two asymptotically‎ ‎nonexpansive mappings is defined‎, ‎and weak and strong convergence‎ ‎theorem are proved for the new iterative scheme in a uniformly‎ ‎convex Banach space‎. ‎The results obtained in this article‎ ‎represent an extension as well as refinement of previous known‎ ‎resu...

2014
AZIZOLLAH BABAKHANI

In this paper, we discuss existence and uniqueness of solutions to nonlinear fractional order ordinary differential equations with boundary conditions in an ordered Banach space. We use the Caputo fractional differential operator and the nonlinearity depends on the fractional derivative of an unknown function. Schauder’s fixed point Theorem is the main tool used here to establish the existence ...

1987
George M. Reed A. W. Roscoe

We propose a denotational model for real time concurrent systems, based on the failures model for CSP. The fixed point theory is based on the Banach fixed point theorem for complete metric spaces, since the introduction of time as a measure makes all recursive operators naturally contractive. This frees us from many of the constraints imposed by partial orders on the treatment of nondeterminism...

2014
Gonzalo Alduncin

Existence analysis of primal and dual evolution mixed variational inclusions is performed on the basis of duality principles, rendering primal and dual solvability equivalence, respectively. Via a fixed-point maximal monotone subdifferential resolvent characterization, corresponding existence results are established under a strong monotonicity condition for the time derivative-elliptic combined...

Journal: :Numerical Functional Analysis and Optimization 2021

We prove several important results concerning existence and uniqueness of pseudo almost automorphic (paa) solutions with measure for integro-differential equations reflection. use the properties functions Banach fixed point theorem, we discuss two linear nonlinear cases. conclude an example some observations.

Journal: :J. Applied Mathematics 2012
Hossein Lakzian Ing-Jer Lin

Branciari 1 established a fixed point result for an integral type inequality, which is a generalization of Banach contraction principle. Kada et al. 2 introduced and studied the concept of w-distance on a metric space. They give examples of w-distances and improved Caristi’s fixed point theorem, Ekeland’s -variational’s principle, and the nonconvex minimization theorem according to Takahashi se...

Journal: :Filomat 2021

In this paper, we gain a new extension of well-known Darbo?s fixed point theorem in Banach space. Our results provide several expressions which all are generalizations theorem. As applications, obtain some Presic type extensions Darbo help us the studying existence solution for system functional integral equations BC(R+). Finally, provided an example to demonstrate efficacy our results.

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