Statistical learning & clustering
13 papersFermat distance and geodesics, consistency under learned metrics, EM-like and spectral clustering (including directed graphs), robust classification, equation discovery.
Nonhomogeneous Euclidean first-passage percolation and distance learning
JournalBernoulli · 2021
Clustering high dimensional meteorological scenarios: results and performance index
JournalInternational Journal of Approximate Reasoning · 2021
On change detection for PolSAR image time series: a new clustering approach
ConfIEEE Statistical Signal Processing Workshop (SSP) · 2021
Robust clustering and outlier rejection using the Mahalanobis distance distribution
ConfEUSIPCO · 2020
Reinforcement learning & federated learning
13 papersPolicy-gradient methods, adversarial and expert-orchestration approaches, particle-based exploration of rare rewards, limits of local learning, asynchronous federated learning.
Efficiency of parallel and restart exploration strategies in model-free stochastic simulations
JournalStochastic Systems · 2026
When to parallelize stochastic exploration of rare rewards in reinforcement learning
ConfEUSIPCO, Bruges · 2026
Optimization trade-offs in asynchronous federated learning: a stochastic networks approach
PreprintPreprint · 2026
Reinforcement learning in infinite state spaces: convergence guarantees via stable exploration
PreprintPreprint — HAL: hal-05633248 · 2026
Score-Aware Policy-Gradient Methods and Performance Guarantees using Local Lyapunov Conditions: Applications to Product-Form Stochastic Networks and Queueing Systems
JournalJMLR · 2025
Fast-exploring reinforcement learning with applications to stochastic networks
JournalQueueing Systems · 2025
Optimizing asynchronous federated learning: a delicate trade-off between model-parameter staleness and update frequency
ConfEuropean Conference on Artificial Intelligence (ECAI) · 2025
When Q-learning fails: unstable behavior for infinite state spaces
ConfIFIP Performance · 2025
Online matching via reinforcement learning: an expert policy orchestration strategy
PreprintPreprint · 2025
Efficient reinforcement learning with Fleming-Viot particle systems: application to stochastic networks with rarely observed rewards
ConfEuropean Workshop on Reinforcement Learning (EWRL) · 2022
Random graphs & exploration processes
10 papersConfiguration models, jamming, greedy algorithms, large deviations, parking processes, scaling limits.
Large deviations for the greedy exploration process on configuration models
JournalALEA · 2023
Large Deviation Principle for the Greedy Exploration Algorithm over Erdős–Rényi Graphs
JournalALEA · 2022
SIR dynamics with vaccination in a large configuration model
JournalApplied Mathematics & Optimization · 2021
Asymptotic optimality of degree-greedy discovering of independent sets in Configuration Model graphs
JournalStochastic Processes and Applications · 2020
Degree-Greedy Algorithms on Large Random Graphs: Analysis, Optimality and its Application to Wireless Networks
JournalACM Performance Evaluation Review · 2018
Degree-Greedy Algorithms on Large Random Graphs: Analysis, Optimality and its Application to Wireless Networks
ConfACM Performance Evaluation · 2018
Scaling limits and generic bounds for exploration processes
JournalJournal of Statistical Physics · 2017
Quasi-stationary distributions & front propagation
6 papersFleming–Viot particle systems, F-KPP and Brunet–Derrida limits, Lévy fronts, Kesten–Stigum, QSD approximation.
F-KPP scaling limit and selection principle for a Brunet-Derrida type particle system
JournalALEA · 2020
On the Kesten-Stigum theorem in L² beyond R-positivity
JournalAnnales de l'Institut Henri Poincaré · 2019
Front propagation and quasi-stationary distributions for one-dimensional Lévy processes
JournalElectronic Communications in Probability · 2018
Fleming-Viot selects the minimal quasi-stationary distribution: the Galton-Watson case
JournalAnnales de l'Institut Henri Poincaré · 2016
Front propagation and quasi-stationary distributions: the same selection principle?
ChapterSojourns in Probability Theory and Statistical Physics — III · 2015
Approximation for quasi-stationary distributions on countable spaces
JournalMarkov Processes and Related Fields · 2013
Stochastic networks, queueing & matching
39 papersLoad balancing, scheduling, redundancy, retrials, online matching, Erlang-type formulas, stability of multi-class systems.
Improving the Performance of Heterogeneous Data Centers through Redundancy
ConfACM SIGMETRICS · 2021
Simulation Study of Dynamic Load Balancing for Processor Sharing Servers with Finite Capacity under Generalized Halfin-Whitt-Jagerman Regimes
ConfWinter Simulation Conference · 2018
Asymptotics of insensitive load balancing and phases of blocking
JournalACM Performance Evaluation Review · 2016
Stability of multi-dimensional birth-and-death processes with state-dependent 0-homogeneous jumps
JournalAdvances in Applied Probability · 2014
Scheduling in random environment: stability and asymptotic stability
JournalIEEE/ACM Transactions on Networking · 2014
Large deviations of the proportional fairness allocation
JournalMathematics of Operations Research · 2013
Towards an Erlang formula for multiclass networks
JournalQueueing Systems: Theory and Applications · 2010
Rate stability and output rates in queueing networks with shared resources
JournalPerformance Evaluation · 2010
Maximal stability of load balancing schemes between two interfering queues
ChapterModern Trends in Controlled Stochastic Processes I (ed. A. Piunovskiy) · 2010
Performance Analysis of Traffic Surges in Multi-class Communication Networks
ConfITC 22 Amsterdam (IEEE) · 2010
Flow-level performance and capacity of wireless networks with user mobility
JournalQueueing Systems: Theory and Applications · 2009
Stability of parallel queueing systems with coupled rates
JournalDiscrete Event Dynamic Systems · 2008
Stability of two interfering processors with load balancing
ConfValueTools Athens (ICST) · 2008
Insensitive versus efficient dynamic load balancing in networks without blocking
JournalQueueing Systems: Theory and Applications · 2006
Stability of multi-class queueing networks with state-dependent service rates
ConfValueTools Pisa (ACM) · 2006
Optimal insensitive routing and bandwidth sharing in simple data networks
JournalACM Performance Evaluation Review · 2005
Does redirection improve performance of overflow routing in heterogeneous loss networks?
ConfITC · 2005
Optimal insensitive routing and bandwidth sharing in simple data networks
ConfACM SIGMETRICS · 2005
Applications
4 papersPhysics, materials science, neurobiology, meteorology — domains where probabilistic models meet practice.
Targeted nano-energetic material exploration through active learning algorithm implementation
JournalEnergetic Materials Frontiers · 2024
Persistence in a large network of sparsely interacting neurons
JournalJournal of Mathematical Biology · 2023
Sub-Poissonian statistics of jamming limits in ultra-cold Rydberg gases
JournalPhysical Review Letters · 2016