Julien Randon-Furling

Associate Professor of Mathematical Sciences

Centre Borelli, ENS Paris-Saclay, Université Paris-Saclay

Also Affiliate Professor in the MSDA programme at UM6P, Morocco

Previously at SAMM, Université Panthéon Sorbonne, Paris
(Fédération parisienne de modélisation mathématique, CNRS FR2036)

Alliance Visiting Professor at the Department of Mathematics, Columbia University, New York

Visiting Fellow at the Euler International Mathematical Institute, St. Petersburg
for the Semester on New Trends in Mathematical Stochastics, Fall 2021

Scientific Steering Committee - Institute for Complex Systems Paris IdF

Research Network: GdR GeoSto

Two recent articles :
Optimization in First-Passage Resetting, PRL 125 050602, highlighted in Physics and here
Segregation through the Multiscalar Lens, PNAS 116 (25)

Publications, Habilitation Thesis, PhD Thesis, CV, E-mail

Research Interests / Topics

Stochastic processes & stochastic geometry: random walks, Brownian motion, Lévy flights, extreme values, first passages, convex hulls
Multidisciplinary modelling: complex systems in the human & social sciences, biophysics
Mathematical frameworks for simulation models: Markov chain formulations of agent-based models, analytical results on agent-based models
Epistemology, history and philosophy of mathematics and science

Organisation

Paris-Columbia Conference on Complexity -- Data -- Society (postponed)
Interdisciplinary biennial workshop: "Interactions : Mathematical Sciences / Human & Social Sciences", 2017 and satellite, 2015, 2013, 2011
Campus Condorcet Conference Series "Faces of Paris— modelling sociospatial dynamics in the Parisian metropolis"
Weekly seminar "SAMM"

PhD and Master Students

Antoine Lucquiaud, PhD candidate 2017-2020 (ENS Paris-Saclay, Ecole doctorale des Sciences mathématiques de Paris Centre, Université Paris-1 Panthéon Sorbonne)
Sarah Soleiman, PhD candidate 2019-2022 (CIFRE fellowship, with start-up company MA, Ecole doctorale des Sciences mathématiques de Paris Centre, Université Paris-1 Panthéon Sorbonne)
Cécile de Bezenac, MSc & PhD candidate 2019-2024 (Leeds University and The Alan Turing Institute, London) -- external supervisor
Enrica Racca, MSc Physics of Complex Systems (2018)
Thomas Lavoisier, MSc Physics of Complex Systems (2017) and then V.I.E. at Dexia
Emma Krebs, 1st y. MSc Phytem(2017) now 2nd y. MPhil LOPHISS-SPH
Matthieu Vert, MSc Physics of Complex Systems (2015) now PhD candidate at TU Delft
Rachneet Kaur, MSc IIT Delhi(2015) now PhD candidate at University of Illinois

Teaching (2021-2022)

Convex Hulls of Random Walks (Graduate Topics Course, Columbia). Lecture notes here.
Markov Chains (TIDE Masters’ programme)
Probability and Statistics (2nd year undergrad. L2 MIASHS)
Quantitative Methods and Mathematical Modelling in Human and Social Sciences (PSL Digital Humanities Master’s programme)
Introductory Mathematics for the Humanist (PSL Digital Humanities Masters’ programme and Master in History with Data Science )
Statistics for Experimental Sciences (3rd year undergrad. PSL CPES)
Probability (2nd year undergrad. PSL CPES)