Results 61 to 70 of about 578,070 (245)

New Results and Generalizations for Approximate Fixed Point Property and Their Applications

open access: yesAbstract and Applied Analysis, 2014
We first introduce the concept of manageable functions and then prove some new existence theorems related to approximate fixed point property for manageable functions and α-admissible multivalued maps. As applications of our results, some new fixed point
Wei-Shih Du, Farshid Khojasteh
doaj   +1 more source

Dislocated quasi-b-metric spaces and fixed point theorems for cyclic contractions

open access: yesFixed Point Theory and Applications, 2015
In this paper, we establish dislocated quasi-b-metric spaces and introduce the notions of Geraghty type dqb-cyclic-Banach contraction and dqb-cyclic-Kannan mapping and derive the existence of fixed point theorems for such spaces. Our main theorem extends
C. Klin-eam, Cholatis Suanoom
semanticscholar   +1 more source

The multiplicativity of fixed point invariants

open access: yes, 2013
We prove two general factorization theorems for fixed-point invariants of fibrations: one for the Lefschetz number and one for the Reidemeister trace. These theorems imply the familiar multiplicativity results for the Lefschetz and Nielsen numbers of a ...
Citterio   +10 more
core   +1 more source

Fixed Point Theorems in S-Metric Spaces

open access: yes, 2015
In this paper, we prove two fixed point theorems in S-metric spaces. Our results extend and improve some known results.
K. Prudhvi
semanticscholar   +1 more source

COUPLED FIXED POINT THEOREMS OF INTEGRAL TYPE MAPPINGS IN CONE METRIC SPACES [PDF]

open access: yes, 2012
In this paper, we prove some coupled fixed point theorems in cone metric spaces. Furthermore, we introduce and prove the integral version of coupled fixed point theorems in cone metric spaces.
Akewe, H, Okeke, G.A., Olaleru, J.O.
core  

Fixed point theorems for $\alpha$--contractive mappings of Meir--Keeler type and applications

open access: yes, 2013
In this paper, we introduce the notion of $\alpha$--contractive mapping of Meir--Keeler type in complete metric spaces and prove new theorems which assure the existence, uniqueness and iterative approximation of the fixed point for this type of ...
Berzig, Maher, Rus, Mircea-Dan
core   +1 more source

Fixed Point and Common Fixed Point Theorems on Ordered Cone b-Metric Spaces

open access: yesAbstract and Applied Analysis, 2013
The concept of a cone b-metric space has been introduced recently as a generalization of a b-metric space and a cone metric space in 2011. The aim of this paper is to establish some fixed point and common fixed point theorems on ordered cone b-metric ...
Sahar Mohammad Abusalim   +1 more
doaj   +1 more source

On Suzuki-Wardowski type fixed point theorems

open access: yesJournal of Nonlinear Science and its Applications, 2015
Recently, Piri and Kumam (Fixed Point Theory and Applications 2014, 2014:210) improved concept of F-contraction and proved some Wardowski and Suzuki type …xed point results in metric spaces.
N. Hussain   +3 more
semanticscholar   +1 more source

A Fixed Point Theorem for Manifolds [PDF]

open access: yesProceedings of the American Mathematical Society, 1971
A Lefschetz type fixed point theorem is proved extending a recent theorem by Robert F. Brown. It deals with compact maps of the form f : ( M − U , X ) → ( M , M − U ) f:(M - U,X) \to (M,M - U) , where M M is an
openaire   +2 more sources

Fixed point theorems for some generalized contractive mappings over a locally convex topological vector space [PDF]

open access: yesSurveys in Mathematics and its Applications, 2021
In this paper we prove some useful fixed point theorems and common fixed point theorems for a class of non-linear mappings acting on locally convex topological vector space with supporting ...
Sayantan Panja   +2 more
doaj  

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