نتایج جستجو برای: multiplicative metric space

تعداد نتایج: 571347  

Journal: :J. Symb. Log. 2014
Itay Ben-Yaacov

We study model theoretic properties of valued fields (equipped with a real-valued multiplicative valuation), viewed as metric structures in continuous first order logic. For technical reasons we prefer to consider not the valued field (K, |·|) directly, but rather the associated projective spaces KP, as bounded metric structures. We show that the class of (projective spaces over) metric valued ...

Journal: :Mathematics 2022

In this paper, we introduce a generalized ?-implicit locally contractive condition and give some examples to support it show its significance in fixed point theory. We prove that the mappings satisfying admit common point, where ordered multiplicative GM-metric space is chosen as underlying space. The obtained theorems generalize many earlier on implicit mappings. addition, nontrivial interesti...

Journal: :bulletin of the iranian mathematical society 2011
r. saadati d. o'regan s. m. vaezpour j. k. kim

Journal: :bulletin of the iranian mathematical society 2013
a. abkar m. eslamian

in this paper, we present some common fixed point theorems for two generalized nonexpansive multivalued mappings in cat(0) spaces as well as in uced banach spaces. moreover, we prove the existence of fixed points for generalized nonexpansive multivalued mappings in complete geodesic metric spaces with convex metric for which the asymptotic center of a bounded sequence in a bounded closed convex...

Journal: :iranian journal of fuzzy systems 2013
antonio roldan juan martnez-moreno concepcion roldan

considering the increasing interest in fuzzy theory and possible applications,the concept of fuzzy metric space concept has been introduced by severalauthors from different perspectives. this paper interprets the theory in termsof metrics evaluated on fuzzy numbers and defines a strong hausdorff topology.we study interrelationships between this theory and other fuzzy theories suchas intuitionis...

Journal: :Polythematic Online Scientific Journal of Kuban State Agrarian University 2017

Journal: :bulletin of the iranian mathematical society 2014
josé morales edixon rojas

‎in this paper we study the existence of fixed points for mappings defined on complete metric spaces‎, ‎satisfying a general contractive inequality depending on two additional mappings‎.

Journal: :iranian journal of science and technology (sciences) 2015
b. bidabad

a projective parameter of a geodesic as solution of certain ode is defined to be a parameter which is invariant under projective change of metric. using projective parameter and poincaré metric, an intrinsic projectively invariant pseudo-distance can be constructed. in the present work, solutions of the above ode are characterized with respect to the sign of parallel ricci tensor on a finsler s...

Journal: :journal of linear and topological algebra (jlta) 0
r jalal shahkoohi department of mathematics and statistics, aliabad katoul branch, islamic azad university, aliabad katoul, iran. s.a kazemipour department of mathematics and statistics, aliabad katoul branch, islamic azad university, aliabad katoul, iran. a rajabi eyvali department of mathematics and statistics, aliabad katoul branch, islamic azad university, aliabad katoul, iran.

in this paper, tripled coincidence points of mappings satisfying  -contractive conditions in the framework of partially ordered gb-metric spaces are obtained. our results extend the results of aydi et al. [h. aydi, e. karapnar and w. shatanawi, tripled xed point results in generalized metric space, j. applied math., volume 2012, article id 314279, 10 pages]. moreover, some examples of the mai...

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