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We study weak and strong solutions of nonlinear non-compact operator equations in abstract spaces of adapted random points. The main result of the paper is similar to Schauder's fixed-point theorem for compact operators. The illustrative…

概率论 · 数学 2022-08-02 Arcady Ponosov

In this paper, we introduce the neutrosophic contractive and neutrosophic mapping. We establish some results on fixed points of a neutrosophic mapping.

综合数学 · 数学 2019-10-09 Murat Kirişci , Necip Şimşek , Mahmut Akyiğit

In this paper we prove FG-coupled fixed point theorems for different contractive mappings and generalized quasi- contractive mappings in partially ordered complete metric spaces. We prove the existence of FG-coupled fixed points of…

一般拓扑 · 数学 2016-04-12 Deepa Karichery , Shaini Pulickakunnel

We propose the concepts of vicinal mappings and firmly vicinal mappings in metric spaces. We obtain fixed point and convergence theorems for these mappings in complete geodesic spaces with curvature bounded above by one and apply our…

泛函分析 · 数学 2018-05-01 Fumiaki Kohsaka

We prove a fixed point theorem for the action of certain local monodromy groups on \'etale covers and use it to deduce lower bounds in essential dimension. In particular, we give more geometric proofs of many (but not all) of the results of…

代数几何 · 数学 2020-07-21 Patrick Brosnan , Najmuddin Fakhruddin

We use equivariant methods to establish basic properties of orbifold K-theory. We introduce the notion of twisted orbifold K-theory in the presence of discrete torsion, and show how it can be explicitly computed for global quotients.

代数拓扑 · 数学 2009-11-07 Alejandro Adem , Yongbin Ruan

We present a decomposition of rational twisted $G$-equivariant K-theory, $G$ a finite group, into cyclic group equivariant K-theory groups of fixed point spaces. This generalises the untwisted decomposition by Atiyah and Segal as well as…

K理论与同调 · 数学 2023-12-22 Tom Dove , Thomas Schick , Mario Velásquez

We prove a generalization of Kannan's fixed point theorem, based on a recent result of Vittorino Pata.

一般拓扑 · 数学 2012-12-18 Mitropam Chakraborty , S. K. Samanta

In this paper, we study some new common fixed point results of generalized contractive non-self multi-valued mappings on complete metric space.

泛函分析 · 数学 2013-09-06 Farshid Khojasteh , Vladimir Rakočević

We study pullback from a topological viewpoint with emphasis on pullback of covering maps. We generalize a triad of Quillen on properties of the pullback functor.

一般拓扑 · 数学 2012-05-15 Jack S. Calcut , John D. McCarthy

We establish the existence of a common fixed point for mappings that satisfy and extend the F-contraction condition. To support our findings, we present pertinent definitions and properties associated with F-contraction mappings.…

综合数学 · 数学 2025-05-08 Djamel Deghoul , Zoheir Chebel , Abdellatif Boureghda , Salah Benyoucef

We present some results and conjectures on a generalization to the noncommutative setup of the Brouwer fixed-point theorem from the Borsuk-Ulam theorem perspective.

量子代数 · 数学 2016-11-22 Ludwik Dabrowski

This paper presents some startpoint (endpoint, fixed point) theorems for mutli-valued maps that generalize recent results proved by Y. U. Gaba \cite{rico, ricoo}.

综合数学 · 数学 2015-03-03 Yaé Ulrich Gaba

Our work presents a new iterative scheme to approximate the fixed points of nonexpansive mapping. The proposed algorithm is constructed to enhance convergence efficiency while preserving theoretical robustness. Under appropriate assumptions…

泛函分析 · 数学 2026-01-12 Nida Izhar Mallick , Izhar Uddin

In this paper, we develop an Isabelle/HOL library of order-theoretic fixed-point theorems. We keep our formalization as general as possible: we reprove several well-known results about complete orders, often with only antisymmetry or…

计算机科学中的逻辑 · 计算机科学 2023-06-22 Jérémy Dubut , Akihisa Yamada

We generalize the classical K\"onig's and B\"ottcher's Theorems in complex dynamics to certain quasiregular mappings in the plane. Our approach to these results is unified in the sense that it does not depend on the local injectivity, or…

复变函数 · 数学 2023-08-21 Alastair N. Fletcher , Jacob Pratscher

In this paper, we introduce a new type of coupled fixed point theorem in partially ordered complete metric space. We give an example to support of our result.

一般拓扑 · 数学 2017-03-31 Isa Yildirim

In this article, we derive a common fixed point result for a pair of single valued and set-valued mappings on a metric space having graphical structure. In this case, the set-valued map is assumed to be closed valued instead of closed and…

泛函分析 · 数学 2023-01-24 Pallab Maiti , Asrifa Sultana

The notion of a (metric) modular on an arbitrary set and the corresponding modular space, more general than a metric space, were introduced and studied recently by the author [V. V. Chistyakov, Metric modulars and their application, Dokl.…

泛函分析 · 数学 2013-05-29 Vyacheslav V. Chistyakov

In this paper, we establish a common fixed point theorem for two pairs of occasionally weakly compatible single and set-valued maps satisfying a strict contractive condition in a metric space. Our result extends many results existing in the…

泛函分析 · 数学 2009-06-17 Hakima Bouhadjera , Christiane Godet-Thobie