نتایج جستجو برای: percolation

تعداد نتایج: 10202  

Journal: :Physical Review E 2017

2014
Laurent Ménard Pierre Nolin

We construct the uniform infinite planar map (UIPM), obtained as the n → ∞ local limit of planar maps with n edges, chosen uniformly at random. We then describe how the UIPM can be sampled using a “peeling” process, in a similar way as for uniform triangulations. This process allows us to prove that for bond and site percolation on the UIPM, the percolation thresholds are p c = 1/2 and p site c...

Journal: :Physical review letters 2010
Xiangdong Liu Raghava P Panguluri Zhi-Feng Huang Boris Nadgorny

A double percolation transition is identified in a binary network composed of nanoparticles of MgB2 superconductor and CrO2 half-metallic ferromagnet. Anomalously high-resistance or insulating state, as compared to the conducting or superconducting states in single-component systems of either constituent, is observed between two distinct percolation thresholds. This double percolation effect, w...

2003
Alessandro Vezzani Davide Cassi Raffaella Burioni

The study of thermodynamic properties of classical spin models on infinite graphs naturally leads to consider the new combinatorial problems of random-walks and percolation on the average. Indeed, spin models with O n continuous symmetry present spontaneous magnetization only on transient on the average graphs, while models with discrete symmetry (Ising and Potts) are spontaneously magnetized o...

Journal: :CoRR 2013
Dawei Zhao Lixiang Li Haipeng Peng Qun Luo Yixian Yang

Abstract. This letter investigates the epidemic spreading in two-vectors propagation network (TPN). We propose detailed theoretical analysis that allows us to accurately calculate the epidemic threshold and outbreak size. It is found that the epidemics can spread across the TPN even if two sub-single-vector propagation networks (SPNs) of TPN are well below their respective epidemic thresholds. ...

Journal: :Random Struct. Algorithms 2001
Itai Benjamini Noam Berger

Bounds for the diameter and expansion of the graphs created by long-range percolation on the cycle Z/NZ, are given.

2008
Author J. van den Berg A. A. Járai A. A. JARAI

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2004
Harry Kesten H. Kesten

We prove the statement in the title of the paper.

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