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We consider independent and $m$-dependent two-dimensional oriented site percolation with open-site density close to one started from Bernoulli product measures. We show that the probability of an occupied interval in the former process…

概率论 · 数学 2020-11-24 Achillefs Tzioufas

Lattice Monte-Carlo simulations were performed to study the equilibrium ordering in a two-dimensional nematic system with quenched random disorder. When the disordering field, which competes against the aligning effect of the Frank…

无序系统与神经网络 · 物理学 2009-10-31 Y. -K. Yu , P. L. Taylor , E. M. Terentjev

In this note, we improve Nikulin's inequality in the case of right-angled hyperbolic polyhedra. The new inequality allows to give much shorter proofs of the known dimension bounds. We also improve Nonaka's lower bound on the number of ideal…

几何拓扑 · 数学 2023-03-17 Stepan Alexandrov

We prove multiplier theorems on rank one noncompact symmetric spaces which improve aspects of existing results. A common theme of our main results is that we partially drop specific assumptions on the multiplier function such as a…

泛函分析 · 数学 2023-05-11 Błażej Wróbel

We investigate locality of the supercritical regime for Bernoulli percolation on transitive graphs with polynomial growth, by which we mean the following. Take a transitive graph of polynomial growth $\mathscr{G}$ satisfying…

概率论 · 数学 2026-03-03 Sébastien Martineau , Christoforos Panagiotis

Under some general assumptions, we construct the scaling limit of open clusters and their associated counting measures in a class of two dimensional percolation models. Our results apply, in particular, to critical Bernoulli site…

概率论 · 数学 2017-01-04 Federico Camia , Rene Conijn , Demeter Kiss

The k-neighbor graph is a directed percolation model on the hypercubic lattice Z d in which each vertex independently picks exactly k of its 2d nearest neighbors at random, and we open directed edges towards those. We prove that the…

概率论 · 数学 2024-12-31 David Coupier , Benoît Henry , Benedikt Jahnel , Jonas Köppl

We give a combinatorial extension of the classical inequalities of Maclaurin about symmetric functions of several variables. We discuss two problems - one analytical and another combinatorial - and show that they are in some sense…

组合数学 · 数学 2013-05-03 Vladimir Nikiforov

We investigate the possibility of proving upper bounds on Hadwiger's number of a graph with partial information, mirroring several known upper bounds for the chromatic number. For each such bound we determine whether the corresponding bound…

离散数学 · 计算机科学 2009-03-17 Gabriel Istrate

We investigate the first-order correction in the homogenization of linear parabolic equations with random coefficients. In dimension $3$ and higher and for coefficients having a finite range of dependence, we prove a pointwise version of…

概率论 · 数学 2015-09-17 Yu Gu , Jean-Christophe Mourrat

G\'{e}rard Watts predicted a formula for the probability in percolation that there is both a left--right and an up--down crossing, which was later proved by Julien Dub\'{e}dat. Here we present a simpler proof due to Oded Schramm, which…

概率论 · 数学 2015-03-13 Scott Sheffield , David B. Wilson

For certain hierarchical structures, one can study the percolation problem using the renormalization-group method in a very precise way. We show that the idea can be also applied to two-dimensional planar lattices by regarding them as…

统计力学 · 物理学 2011-05-06 Seung Ki Baek , Petter Minnhagen

The rearrangement inequality states that the sum of products of permutations of 2 sequences of real numbers are maximized when the terms are similarly ordered and minimized when the terms are ordered in opposite order. We show that similar…

逻辑 · 数学 2024-05-03 Chai Wah Wu

Given an ample line bundle $L$ on a geometrically reduced projective scheme defined over an arbitrary non-Archimedean field, we establish a differentiability property for the relative volume of two continuous metrics on the Berkovich…

代数几何 · 数学 2020-04-09 Sébastien Boucksom , Walter Gubler , Florent Martin

In recent years, important progress has been made in the field of two-dimensional statistical physics. One of the most striking achievements is the proof of the Cardy-Smirnov formula. This theorem, together with the introduction of…

概率论 · 数学 2013-06-10 Vincent Beffara , Hugo Duminil-Copin

In this article we study the double dimer model on hyperbolic Temperleyan graphs via circle packings. We prove that on such graphs, the weak limit of the dimer model exists if and only if the removed black vertex from the boundary of the…

概率论 · 数学 2024-07-01 Gourab Ray

We investigate theoretically the feasibility of an experimental test of the Bell-type inequality derived by Mermin for correlated spins larger than 1/2. Using the Schwinger representation, we link the output fields of two two-mode squeezers…

量子物理 · 物理学 2011-11-01 Ruffin Evans , Olivier Pfister

Comparison theorems are foundational to our understanding of the geometric features implied by various curvature constraints. This paper considers manifolds with a positive lower bound on either scalar, 2-Ricci, or Ricci curvature, and…

微分几何 · 数学 2023-05-29 Sven Hirsch , Demetre Kazaras , Marcus Khuri , Yiyue Zhang

In this paper, we consider a weighted generalization of the chromatic number of a Binomial random graph~\(G.\) We equip each edge with a random weight and then colour the vertices in such a way that the absolute colour difference between…

组合数学 · 数学 2023-11-21 Ghurumuruhan Ganesan

We investigate a class of sharp Fourier extension inequalities on the planar curves $s=|y|^p$, $p>1$. We identify the mechanism responsible for the possible loss of compactness of nonnegative extremizing sequences, and prove that…

经典分析与常微分方程 · 数学 2020-03-25 Gianmarco Brocchi , Diogo Oliveira e Silva , René Quilodrán