Stochastic homogenization of Hamilton–Jacobi and degenerate Bellman equations in unbounded environments

SN Armstrong, PE Souganidis - Journal de mathématiques pures et …, 2012 - Elsevier
We consider the homogenization of Hamilton–Jacobi equations and degenerate Bellman
equations in stationary, ergodic, unbounded environments. We prove that, as the …

First passage percolation with long-range correlations and applications to random Schrödinger operators

S Andres, A Prévost - The Annals of Applied Probability, 2024 - projecteuclid.org
We consider first passage percolation (FPP) with passage times generated by a general
class of models with long-range correlations on Z d, d≥ 2, including discrete Gaussian free …

Lyapunov exponents, shape theorems and large deviations for the random walk in random potential

JC Mourrat - arXiv preprint arXiv:1106.3995, 2011 - arxiv.org
We consider the simple random walk on Z^ d evolving in a potential of independent and
identically distributed random variables taking values in [0,+\infty]. We give optimal …

Stretched polymers in random environment

D Ioffe, Y Velenik - Probability in Complex Physical Systems: In Honour of …, 2012 - Springer
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[HTML][HTML] Search for Extraterrestrial Intelligence (SETI) by fractal universe

S Chen, TJ Zhang - Results in Physics, 2019 - Elsevier
We propose the hypothesis that the universes we live are provided with fractal properties,
from macro to micro scale, which have self-similarity and space filling. In this paper, we try to …

[HTML][HTML] Crossing velocities for an annealed random walk in a random potential

E Kosygina, T Mountford - Stochastic Processes and their Applications, 2012 - Elsevier
We consider a random walk in an iid non-negative potential on the d-dimensional integer
lattice. The walk starts at the origin and is conditioned to hit a remote location y on the lattice …

The landscape function on

G David, A Gloria, S Mayboroda - arXiv preprint arXiv:2307.11182, 2023 - arxiv.org
Consider the Schr\" odinger operator $-\triangle+\lambda V $ with non-negative iid random
potential $ V $ of strength $\lambda> 0$. We prove existence and uniqueness of the …

Strong disorder in semidirected random polymers

N Zygouras - Annales de l'IHP Probabilités et statistiques, 2013 - numdam.org
We consider a random walk in a random potential, which models a situation of a random
polymer and we study the annealed and quenched costs to perform long crossings from a …

Continuity results and estimates for the Lyapunov exponent of Brownian motion in stationary potential

J Rueß - 2016 - projecteuclid.org
We collect some applications of the variational formula established by Schroeder [J. Funct.
Anal. 77 (1988) 60–87] and Rueß [ALEA Lat. Am. J. Probab. Math. Stat. 11 (2014) 679–709] …

Random PDEs: questions of regularity

JC Mourrat - 2017 - theses.hal.science
Résumé Le mémoire se décompose en trois parties. La première partie est un aperçu
rapide de mon activité de recherche depuis la thèse. Les deux autres parties décrivent deux …