Results 11 to 20 of about 10,700,994 (306)

On a fixed point theorem of Greguš [PDF]

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 1986
We consider two selfmaps T and I of a closed convex subset C of a Banach space X which are weakly commuting in X, i.e.‖TIx−ITx‖≤‖Ix−Tx‖   for   any   x   in   X,and satisfy the inequality‖Tx−Ty‖≤a‖Ix−Iy‖+(1−a)max{‖Tx−Ix‖,‖Ty−Iy‖}for all x, y in C, where ...
Brian Fisher, Salvatore Sessa
doaj   +2 more sources

Theory and Application of Fixed Point [PDF]

open access: yes, 2021
In the past few decades, several interesting problems have been solved using fixed point theory. In addition to classical ordinary differential equations and integral equation, researchers also focus on fractional differential equations (FDE) and ...

core   +1 more source

UNIQUE FIXED POINT THEOREMS FOR CONTRACTIVE MAPS TYPE IN T 0 -QUASI-METRIC SPACES [PDF]

open access: yes, 2014
In [2], Agyingi proved that every generalized contractive mapping defined in a q-spherically complete T 0 -ultra-quasi-metric space has a unique fixed point.
Yae ́ Ulrich Gaba
core   +1 more source

Fixed point theorems for solutions of the stationary Schrodinger equation on cones

open access: yes, 2021
The main aim of this paper is to study and establish some new coincidence point and common fixed point theorems for solutions of the stationary Schrodinger equation on cones.
Xue, Gaixian, Yuzbasi, Eve
core   +1 more source

Common Fixed Point Results on Complex-Valued $S$-Metric Spaces [PDF]

open access: yesSahand Communications in Mathematical Analysis, 2020
Banach's contraction principle has been improved and extensively studied on several generalized metric spaces. Recently, complex-valued $S$-metric spaces have been introduced and studied for this purpose.
Nihal Taş, Nihal Yilmaz Ozgur
doaj   +1 more source

On common fixed points of mappings [PDF]

open access: yesBulletin of the Australian Mathematical Society, 1974
The object of this paper is to study common fixed points of mappings of a complete metric space into itself. The results obtained are generalizations of Ray Theorems.
openaire   +2 more sources

Common Fixed Point Results in Metric-Type Spaces

open access: yesFixed Point Theory and Applications, 2010
Several fixed point and common fixed point theorems are obtained in the setting of metric-type spaces introduced by M. A. Khamsi in 2010.
Kadelburg Zoran   +2 more
doaj   +2 more sources

Some common fixed point theorem of rational contractive mappings in dislocated metric spaces

open access: yesTopological Algebra and its Applications, 2023
We improve the rational contractive condition and prove the common fixed point in the dislocated metric spaces. In addition, the new generalized rational contraction has existence of a common solution for a system of integral equations.
Jeevanandam Uma Maheswari   +3 more
doaj   +1 more source

Caristi Type Cyclic Contraction and Coupled Fixed Point Results in Bipolar Metric Spaces [PDF]

open access: yesSahand Communications in Mathematical Analysis, 2020
In this paper, we establish the existence of common coupled fixed point results for new Caristi type contraction of three covariant mappings in Bipolar metric spaces. Some interesting consequences of our results are achieved.
Gagula Naveen Venkata Kishore   +3 more
doaj   +1 more source

Common fixed point theorems for compatible mappings

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 1996
By using a compatibility condition due to Jungck we establish some common fixed point theorems for four mappings on complete and compact metric spaces These results also generalize a theorem of Sharma and Sahu.
Kenan Taş   +2 more
doaj   +1 more source

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