نتایج جستجو برای: contraction maps

تعداد نتایج: 164712  

2015
Seong-Hoon Cho

The notion of generalized Berinde type contraction non-self maps in partially ordered metric spaces is introduced, and some best proximity point theorems for this class are established. Mathematics Subject Classification: 47H10, 54H25

2010
M. Benchohra J. Henderson S. K. Ntouyas

In this paper a fixed point theorem for contraction multivalued maps due to Covitz and Nadler is used to investigate the existence of solutions for first and second order nonresonance impulsive functional differential inclusions in Banach spaces.

2003
Guillaume Damiand Pascal Lienhardt

Removal and contraction are basic operations for several methods conceived in order to handle irregular image pyramids, for multi-level image analysis for instance. Such methods are often based upon graph-like representations which do not maintain all topological information, even for 2-dimensional images. We study the definitions of removal and contraction operations in the generalized maps fr...

Journal: :Mathematics and Statistics 2022

Fixed points are also called as invariant points. Invariant point theorems very essential tools in solving problems arising different branches of mathematical analysis. In the present paper, we establish three unique common using two self-mappings, four self-mappings and six bicomplex valued metric space. first theorem, generate a theorem for by weaker conditions such weakly compatible, general...

1994
B. Forte E. R. Vrscay

We are concerned with function approximation and image representation using Iterated Function Systems (IFS) over L p (X;): An N-map IFS with grey level maps (IFSM), to be denoted as (w;), is a set w of N contraction maps w i : X ! X over a compact metric space (X; d) (the \base space") with an associated set of maps i : R ! R. Associated with each IFSM is a contractive operator T with xed point...

1997
Aaron Bertram AARON BERTRAM

the blow-up of |KC +D| along the image of C (which we will also denote by C). In contrast, the Serre correspondence is a morphism only when d ≤ 2, as it is undefined at points of C (and certain secant varieties) for larger values of d. The structure of the Serre correspondence for large d (particularly d > 2g − 2, in which case it is dominant) is, however, well understood now, due largely to re...

پایان نامه :وزارت بهداشت، درمان و آموزش پزشکی - دانشگاه علوم پزشکی و خدمات بهداشتی درمانی ایران 1380

این پژوهش بصورت غیرتجربی و توصیفی - تحلیلی با هدف بررسی مقایسه ای پنج آزمون عملکردی اندام تحتانی در دو گروه بیماران با پارگی لیگامان متقاطع قدامی و افراد سالم انجام شد. دراین تحقیق از پنج آزمون عملکردی زیر استفاده گردید: 1 - آزمون ‏‎co-contraction semicircular‎‏ . 2- آزمون‏‎carioca‎‏ . 3 - آزمون ‏‎shuttle run‎‏ . 4- آزمون‏‎timed hop‎‏ . 5- آزمون ‏‎cross-over hop‎‏ .

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد 1376

in this thesis our aim is to construct vector field in r3 for which the corresponding one-dimensional maps have certain discontinuities. two kinds of vector fields are considered, the first the lorenz vector field, and the second originally introced here. the latter have chaotic behavior and motivate a class of one-parameter families of maps which have positive lyapunov exponents for an open in...

2004
Manuel António Alves Fernando Tavares de Pinho Paulo Jorge Oliveira

Numerical simulations of PTT fluids in axisymmetric sudden contractions were carried out to investigate the effect of contraction ratio on the flow patterns under conditions of negligible inertia. The PTT model selected has a linear stress coefficient, and contraction ratios (CR) in the range 4:1 to 100:1 were investigated. The simulations are based on a finite volume methodology using very fin...

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