Recherche

Je suis membre de l'ANR MICMOV (Description microscopique des interfaces mobiles).

Thèmes

Systèmes de particules en interaction, contraintes cinétiques, hors équilibre, diffusion d'un traceur, marche aléatoire en milieu aléatoire dynamique, limites hydrodynamiques.

À venir

GSSI Trimester: Particles, Fluids and Patterns: Analytical and Computational Challenges (mini-course), l'Aquila, 28 April - 02 May 2025.

Conference "Random Walks, Percolation and Mixing Times", ICMS, Edinburgh, 09 - 13 June 2025.

Articles

• Stationary measures for the Porous Medium Model, O. Blondel.
• Random Markov property for random walks in random environments, J. Allasia, R. Baldasso, O. Blondel, A. Teixeira.
• A note on the antisymmetry in the speed of a random walk in reversible dynamic random environment O. Blondel, Electronic Communications in Probability 2023, Vol. 28, paper no. 7, 1-6. https://doi.org/10.1214/23-ECP514
• Stefan problem for a non-ergodic facilitated exclusion process O. Blondel, C. Erignoux, M. Simon, Probability and Mathematical Physics, Volume 2, Number 1, 2021. DOI : 10.2140/pmp.2021.2.127
• Random Walks on Dynamical Random Environments with Non-Uniform Mixing, O. Blondel, M. Hilário, A. Teixeira, Annals of Probability, Volume 48, Number 4 (2020), 2014-2051. DOI : 10.1214/19-AOP1414
• Hydrodynamic limit for a facilitated exclusion process, O. Blondel, C. Erignoux, M. Sasada, M. Simon, Annales de l'Institut Henri Poincaré (B) Probabilités et Statistiques, Volume 56, Number 1 (2020), 667-714. DOI : 10.1214/19-AIHP977
• Front evolution of the Fredrickson-Andersen one spin facilitated model, O. Blondel, A. Deshayes, C. Toninelli, Electronic Journal of Probability, Vol. 24, no. 1, 1-32, 2019. DOI : 10.1214/18-EJP246
• Random walk on random walks: low densities, O. Blondel, M. Hilário, R. dos Santos, V. Sidoravicius, A. Teixeira, Annals of Applied Probability, Volume 30, Number 4 (2020), 1614-1641. DOI : 10.1214/19-AAP1537
• Random walk on random walks: higher dimensions, O. Blondel, M. Hilário, R. dos Santos, V. Sidoravicius, A. Teixeira, Electronic Journal of Probability 2019, Vol. 24, paper no. 80, 1-33. DOI : 10.1214/19-EJP337
• Kinetically constrained lattice gases: tagged particle diffusion, O. Blondel, C. Toninelli, Annales de l'Institut Henri Poincaré (B) Probabilités et Statistiques, Volume 54, Number 4 (November 2018), 2335-2348. DOI : 10.1214/17-AIHP873
• A class of random walks in reversible dynamic environment: antisymmetry and applications to the East model, L. Avena, O. Blondel, A. Faggionato, Journal of Statistical Physics, 165(1), 1-23, 2016. DOI : 10.1007/s10955-016-1596-7
• Convergence to the Stochastic Burgers Equation from a degenerate microscopic dynamics, O. Blondel, P. Gonçalves, M. Simon, Electronic Journal of Probability, Volume 21 (2016), paper no. 69, 25 pp. DOI : 10.1214/16-EJP15
• L^2-Perturbed Markov processes and applications to random walks in dynamic random environments, L. Avena, O. Blondel, A. Faggionato, Stochastic Process. Appl., Vol. 128, Issue 10, Oct. 2018, p. 3490-3530. DOI : 10.1016/j.spa.2017.11.010
• Tracer diffusion in low temperature kinetically constrained models, O. Blondel, The Annals of Applied Probability, 2015, Vol. 25, No. 3, 1079-1107. DOI : 10.1214/14-AAP1017
• Is there a fractional breakdown of the Stokes-Einstein relation in Kinetically Constrained Models at low temperature?, O. Blondel, C. Toninelli, 2014 EPL 107 26005. DOI : 10.1209/0295-5075/107/26005
• Front progression in the East model, O. Blondel, Stochastic Process. Appl., Vol. 123, Issue 9, Sept. 2013, p. 3430-3465. DOI : 10.1016/j.spa.2013.04.014
• Fredrickson-Andersen one spin facilitated model out of equilibrium, O. Blondel, N. Cancrini, F. Martinelli, C. Roberto, C. Toninelli, Markov Processes Relat. Fields, 19:383-406, May 2013.

Doctorants

• Julien Allasia (avec Augusto Teixeira), 2021 – 2024.
• Anatole Ertul (avec Fabio Toninelli), 2018 – 2021.

HDR

J'ai soutenu le 5 décembre 2022. Titre du manuscrit : Dynamiques aléatoires avec taux dégénérés.
Manuscrit Présentation

Thèse

J'ai soutenu le 3 décembre 2013.
Titre de la thèse : Dynamiques de particules sur réseaux avec contraintes cinétiques, réalisée sous la direction de Thierry Bodineau et Cristina Toninelli.
Manuscrit Présentation