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We provide quantitative and abstract strong convergence results for sequences from a compact metric space satisfying a certain form of \emph{generalized Fej\'er monotonicity} where (1) the metric can be replaced by a much more general type…

泛函分析 · 数学 2025-07-15 Nicholas Pischke

Given a probability measure with density, Fermat distances and density-driven metrics are conformal transformations of the Euclidean metric that shrink distances in high density areas and enlarge distances in low density areas. Although…

统计理论 · 数学 2026-01-22 Jérôme Taupin , Frédéric Chazal

We study the statistical convergence of metric valued sequences and of their subsequences. The interplay between the statistical and usual convergences in metric spaces is also studied.

泛函分析 · 数学 2012-03-13 M. Kuchukaslan , U. Deger , O. Dovgoshey

The Weil-Petersson and Takhtajan-Zograf metrics on the Riemann moduli spaces of complex structures for an $n$-fold punctured oriented surface of genus $g,$ in the stable range $g+2n>2,$ are shown here to have complete asymptotic expansions…

微分几何 · 数学 2018-06-01 Richard Melrose , Xuwen Zhu

As a generalization of Hausdorff's extension theorem of metrics, we prove an interpolation theorem of a family of metrics defined on closed subsets of metrizable spaces. As an application, we investigate typicality of subsets of moduli…

度量几何 · 数学 2026-01-14 Yoshito Ishiki

We analyze the properties of weakly compact sets in Lipschitz free spaces. Prior research has established that, for a complete metric space $M$, weakly precompact sets in the Lipschitz free space $\mathcal F(M)$ are tight. In this paper, we…

泛函分析 · 数学 2026-02-16 Ramón J. Aliaga , Colin Petitjean , Antonín Prochazka , Triinu Veeorg

We study Krasnoselskii-Mann style iterative algorithms for approximating fixpoints of asymptotically weakly contractive mappings, with a focus on providing generalised convergence proofs along with explicit rates of convergence. More…

泛函分析 · 数学 2021-04-30 Thomas Powell , Franziskus Wiesnet

This paper generalizes the results of [13] and then provides an interesting example. We construct a family of $W$-like maps $\{W_a\}$ with a turning fixed point having slope $s_1$ on one side and $-s_2$ on the other. Each $W_a$ has an…

动力系统 · 数学 2013-10-18 Zhenyang Li

We provide a convergence result for sequences of random variables taking values in a metric space that satisfy a stochastic quasi-Fej\'er monotonicity condition, in the context of a (local) compactness assumption. Our result is quantitative…

最优化与控制 · 数学 2026-02-27 Morenikeji Neri , Nicholas Pischke , Thomas Powell

Several applications of Abel's partial summation formula to the convergence of series of positive vectors are presented. For example, when the norm of the ambient ordered Banach space is associated to a strong order unit, it is shown that…

经典分析与常微分方程 · 数学 2017-09-12 Constantin P. Niculescu , Marius Marinel Stănescu

A variety of norm inequalities related to Bergman and Dirichlet spaces induced by radial weights are considered. Some of the results obtained can be considered as generalizations of certain known special cases while most of the estimates…

复变函数 · 数学 2026-02-10 Fernando Pérez-González , Jouni Rättyä , Toni Vesikko

In this paper, we introduce the statistically multiplicative convergent sequences in locally solid Riesz algebras with respect to the algebra multiplication and the solid topology. We study on this concept and we give the notion of…

泛函分析 · 数学 2020-04-27 Abdullah Aydın , Mikail Et

A set of sequences is said to converge simultaneously if there exists an infinite subset $H$ of the index set $\omega$ such that all sequences converge when restricted to $H$. We discuss simultaneous convergence of sequences in the same or…

一般拓扑 · 数学 2025-12-18 Sirio Resteghini , Cesare Straffelini

We introduce a notion of weak convergence in arbitrary metric spaces. Metric functionals are key in our analysis: weak convergence of sequences in a given metric space is tested against all the metric functionals defined on said space. When…

泛函分析 · 数学 2025-06-05 Armando W. Gutiérrez , Olavi Nevanlinna

We provide in a unified way quantitative forms of strong convergence results for numerous iterative procedures which satisfy a general type of Fejer monotonicity where the convergence uses the compactness of the underlying set. These…

逻辑 · 数学 2015-08-25 Ulrick Kohlenbach , Laurentiu Leustean , Adriana Nicolae

We study generalizations of Reifenberg's Theorem for measures in $\mathbb R^n$ under assumptions on the Jones' $\beta$-numbers, which appropriately measure how close the support is to being contained in a subspace. Our main results, which…

经典分析与常微分方程 · 数学 2025-03-25 Nick Edelen , Aaron Naber , Daniele Valtorta

We introduce the notion of density of a rational language with respect to a sequence of probability measures. We prove that if $(\mu_n)$ is a sequence of Bernoulli measures converging to a positive Bernoulli measure $\overline{\mu}$, the…

动力系统 · 数学 2026-03-19 Alexi Block Gorman , Dominique Perrin

In this paper we study some basic properties of strong {\lambda}- statistical convergence of sequences in probabilistic metric (PM) spaces. We also introduce and study the notion of strong {\lambda}-statistically Cauchyness. Further…

泛函分析 · 数学 2020-07-21 Prasanta Malik , Samiran Das

We develop a theory of limits for sequences of dense abstract simplicial complexes, where a sequence is considered convergent if its homomorphism densities converge. The limiting objects are represented by stacks of measurable [0,1]-valued…

组合数学 · 数学 2022-07-19 T. Mitchell Roddenberry , Santiago Segarra

This paper studies when a sequence of probability measures on a metric space admit subsequential weak limits. A sufficient condition called sequential tightness is formulated, which relaxes some assumptions for asymptotic tightness used in…

概率论 · 数学 2025-11-20 Osama Abuzaid