نتایج جستجو برای: generalized cyclic φ contraction map

تعداد نتایج: 520587  

Journal: :Mathematics 2022

In the present work, we have introduced a new type of (ξ,ω)-weakly cyclic generalized contraction in setting metric spaces and established some fixed-point results. Fixed-point results are useful establishing existence unique solution to differential equations. We supplemented derived with suitable non-trivial examples an application Boundary Value Problem, generalizing known The analytical res...

2009
JINCHUAN HOU

Let A1,A2 be standard operator algebras on complex Banach spaces X1, X2, respectively. For k ≥ 2, let (i1, . . . , im) be a sequence with terms chosen from {1, . . . , k}, and define the generalized Jordan product T1 ◦ · · · ◦ Tk = Ti1 · · ·Tim + Tim · · ·Ti1 on elements in Ai. This includes the usual Jordan product A1 ◦ A2 = A1A2 + A2A1, and the triple {A1, A2, A3} = A1A2A3 + A3A2A1. Assume th...

2012
D. Gopal

In this paper, we introduce cyclic weak φ−contractions in fuzzy metric spaces and utilize the same to prove some results on existence and uniqueness of fixed point in fuzzy metric spaces. Some related results are also proved besides furnishing illustrative examples.

Journal: :international journal of mathematical modelling and computations 0
j. o. olaleru university of lagos, lagos, nigeria. nigeria mathematics department g. a. okeke university of lagos, lagos, nigeria. nigeria mathematics department h. akewe university of lagos, lagos, nigeria. nigeria mathematics department

in this paper, we unify, extend and generalize some results on coupled fixed point theorems of generalized φ- mappings with some applications to fixed points of integral type mappings in cone metric spaces.

2006
Alexander Gorokhovsky

In this paper we consider a family of Dirac-type operators on fibration P → B equivariant with respect to an action of an étale groupoid. Such a family defines an element in the bivariant K theory. We compute the action of the bivariant Chern character of this element on the image of Connes’ map Φ in the cyclic cohomology. A particular case of this result is Connes’ index theorem for étale grou...

2005
ALEXANDER GOROKHOVSKY

In this paper we consider a family of Dirac-type operators on fibration P → B equivariant with respect to an action of an étale groupoid. Such a family defines an element in the bivariant K theory. We compute the action of the bivariant Chern character of this element on the image of Connes’ map Φ in the cyclic cohomology. A particular case of this result is Connes’ index theorem for étale grou...

2012
Wasfi Shatanawi Saurabh Manro

Very recently, Agarwal et al. (Fixed Point Theory Appl. 2012:40, 2012) initiated the study of fixed point theorems for mappings satisfying cyclical generalized contractive conditions in complete partial metric spaces. In the present paper, we study some fixed point theorems for a mapping satisfying a cyclical generalized contractive condition based on a pair of altering distance functions in co...

2007
VICTOR REINER

We present an approach applicable to certain instances of the generalized Baues problem of Billera, Kapranov, and Sturmfels. This approach involves two applications of Alexander/Spanier-Whitehead duality. We use this to show that the generalized Baues problem has a positive answer for the surjective map of cyclic polytopes C (n; d) ! C (n; 2) if n < 2d + 2 and d 9.

2013
Zhong Hua He Guangfu Cao

Let H(D) denote the space of all holomorphic functions on the unit disk D of C. Let φ be a holomorphic self-map of D, n be a positive integer and g ∈ H(D). In this paper, we investigate the boundedness and compactness of a generalized integration operator

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ولی عصر (عج) - رفسنجان - دانشکده ریاضی 1389

in this thesis, first the notion of weak mutual associativity (w.m.a.) and the necessary and sufficient condition for a $(l,gamma)$-associated hypersemigroup $(h, ast)$ derived from some family of $lesssim$-preordered semigroups to be a hypergroup, are given. second, by proving the fact that the concrete categories, semihypergroups and hypergroups have not free objects we will introduce t...

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