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We investigate the asymptotic distributions of coordinates of regression M-estimates in the moderate $p/n$ regime, where the number of covariates $p$ grows proportionally with the sample size $n$. Under appropriate regularity conditions, we…

统计理论 · 数学 2016-12-20 Lihua Lei , Peter J. Bickel , Noureddine El Karoui

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

Let P_{n,m} denote the graph taken uniformly at random from the set of all planar graphs on {1,2,..., n} with exactly m(n) edges. We use counting arguments to investigate the probability that P_{n,m} will contain given components and…

组合数学 · 数学 2011-01-27 Chris Dowden

We study the generic behavior of the method of successive approximations for set-valued mappings in separable Banach spaces. We consider the case of nonexpansive mappings with convex and compact point images and show that for the typical…

泛函分析 · 数学 2023-01-27 Christian Bargetz , Emir Medjic , Katriin Pirk

We consider independently identically distributed random compositions of the Gauss and R\'enyi maps that generate random continued fractions. Using methods of ergodic theory, thermodynamic formalism and large deviations, we show that…

动力系统 · 数学 2025-10-29 Shintaro Suzuki , Hiroki Takahasi

We produce longtime solutions to the K\"ahler-Ricci flow for complete K\"ahler metrics on $\Bbb C ^n$ without assuming the initial metric has bounded curvature, thus extending results in [3]. We prove the existence of a longtime bounded…

微分几何 · 数学 2015-08-14 Albert Chau , Ka-Fai Li , Luen-Fai Tam

Let S be a closed orientable surface of genus at least 2 and let G be a semisimple real algebraic group of non-compact type. We consider a class of representations from the fundamental group of S to G called positively ratioed…

几何拓扑 · 数学 2019-04-17 Giuseppe Martone , Tengren Zhang

For a fixed $c > 0$ we construct an arbitrarily large set $B$ of size $n$ such that its sum set $B+B$ contains a convex sequence of size $cn^2$, answering a question of Hegarty.

组合数学 · 数学 2018-08-22 Imre Z. Ruzsa , Dmitrii Zhelezov

Let $\mathfrak{g}(A)$ be the Kac-Moody algebra with respect to a symmetrizable generalized Cartan matrix $A$. We give an explicit presentation of the fix-point Lie subalgebra $\mathfrak{k}(A)$ of $\mathfrak{g}(A)$ with respect to the…

表示论 · 数学 2022-07-05 Jasper V. Stokman

We define basic notions in the category of conic representations of a topological group and prove elementary facts about them. We show that a conic representation determines an ordinary dynamical system of the group together with a…

动力系统 · 数学 2019-03-25 Matan Tal

It is conjectured that there is a converging sequence of some generalized Fibonacci ratios, given the difference between consecutive ratios, such as the Golden Ratio, $\varphi^1$, and the next golden ratio $\varphi^2$. Moreover, the graphic…

综合数学 · 数学 2024-01-09 Arturo Ortiz Tapia

We extend to $p$-uniformly convex spaces tools from the analysis of fixed point iterations in linear spaces. This study is restricted to an appropriate generalization of single-valued, pointwise $\alpha$-averaged mappings. Our main…

泛函分析 · 数学 2021-04-26 Arian Bërdëllima , Florian Lauster , D. Russell Luke

Integer sequences where each element is determined by a previous randomly chosen element are investigated analytically. In particular, the random geometric series x_n=2x_p with 0<=p<=n-1 is studied. At large n, the moments grow…

统计力学 · 物理学 2007-05-23 E. Ben-Naim , P. L. Krapivsky

For a complete noncompact connected Riemannian manifold with bounded geometry, we prove a compactness result for sequences of finite perimeter sets with uniformly bounded volume and perimeter in a larger space obtained by adding limit…

度量几何 · 数学 2015-04-21 Abraham Enrique Muñoz Flores , Stefano Nardulli

We study the richness of the ensemble of graphical structures (i.e., unlabeled graphs) of the one-dimensional random geometric graph model defined by $n$ nodes randomly scattered in $[0,1]$ that connect if they are within the connection…

信息论 · 计算机科学 2022-06-24 Mihai-Alin Badiu , Justin P. Coon

In this work, we introduce $(r,i)$-regular fat linear sets, which are defined as linear sets containing exactly $r$ points of weight $i$ and all other points of weight one. This notion generalizes and unifies existing constructions;…

组合数学 · 数学 2025-11-07 Valentino Smaldore , Corrado Zanella , Ferdinando Zullo

The physical consistency of the match of piecewise-$C^0$ metrics is discussed. The mathematical theory of gravitational discontinuity hypersurfaces is generalized to cover the match of regularly discontinuous metrics. The mean-value…

广义相对论与量子宇宙学 · 物理学 2008-11-26 Gianluca Gemelli

We establish upper and lower bounds on the dimension of the space spanned by the symmetric powers of the natural character of generalised symmetric groups. We adapt the methods of Savitt and Stanley from their paper `A note on the symmetric…

表示论 · 数学 2015-06-02 Bill O'Donovan

One goal of geometric measure theory is to understand how measures in the plane or higher dimensional Euclidean space interact with families of lower dimensional sets. An important dichotomy arises between the class of rectifiable measures,…

经典分析与常微分方程 · 数学 2020-07-21 Matthew Badger

Faithful representations of regular $\ast$-rings and modular complemented lattices with involution within orthosymmetric sesquilinear spaces are studied within the framework of Universal Algebra. In particular, the correspondence between…

环与代数 · 数学 2016-04-26 Christian Herrmann , Marina Semenova