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Convergence in law of the minimum of a branching random walk

Elie Aïdékon
- 01 May 2013 - 
- Vol. 41, Iss: 3, pp 1362-1426
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TLDR
In this article, the authors considered the super-critical branching random walk and proved that a convergence in law holds, giving the analog of a well-known result of Bramson [Mem. Amer. Math. Soc. 44 (1983) iv+190] in the case of the branching Brownian motion.
Abstract
We consider the minimum of a super-critical branching random walk. Addario-Berry and Reed [Ann. Probab. 37 (2009) 1044–1079] proved the tightness of the minimum centered around its mean value. We show that a convergence in law holds, giving the analog of a well-known result of Bramson [Mem. Amer. Math. Soc. 44 (1983) iv+190] in the case of the branching Brownian motion.

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Gaussian multiplicative chaos and applications: A review

TL;DR: The theory of Gaussian multiplicative chaos was introduced by Kahane's seminal work in 1985 as discussed by the authors, and it has been applied in many applications, ranging from finance to quantum gravity.
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The extremal process of branching Brownian motion

TL;DR: In this article, the extremal process of branching Brownian motion, in the limit of large times, converges weakly to a cluster point process, where the positions of the clusters are a Poisson process with intensity measure with exponential density.
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Renormalization of Critical Gaussian Multiplicative Chaos and KPZ Relation

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Convergence in Law of the Maximum of the Two‐Dimensional Discrete Gaussian Free Field

TL;DR: In this article, the authors consider the discrete two-dimensional Gaussian free field with Dirichlet boundary data and prove the convergence of the law of the centered maximum of the field.
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Branching Brownian motion seen from its tip

TL;DR: Arguin et al. as mentioned in this paper showed that the extremal point process of branching Brownian motion is a Poisson point process with exponential intensity in which each atom has been decorated by an independent copy of an auxiliary point process.
References
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Journal ArticleDOI

Conceptual proofs of L log L criteria for mean behavior of branching processes

TL;DR: The Kesten-Stigum theorem is a fundamental criterion for the rate of growth of a supercritical branching process, showing that an $L \log L$ condition is decisive as mentioned in this paper.
Journal ArticleDOI

Postulates for Subadditive Processes

TL;DR: In this paper, the ergodic theory of subadditive processes is examined and a superconvolutive sequence of distributions is introduced, which generalizes the weak law of large numbers.