statistics

On Restless Linear Bandits

A more general formulation of the linear bandit problem is considered to allow for dependencies over time. Specifically, it is assumed that there exists an unknown Rd -valued stationary φ -mixing seq ...

Khaleghi Azadeh

IEEE Transactions on Information Theory ( Volume: 71, Issue: 4, April 2025), 2025

economics

Dissecting Child Penalties

The authors relate mothers’ children-related labor earnings losses, referred to here as child penalties, to their location in the distribution of potential hourly wages. Using French administrative ...

Pora Pierre, Wilner Lionel

ILR Review, 2025

economics

Unraveling climate targets across the Paris conurbation as a gauge of city ambitions

Urban areas are crucial for emission mitigation, yet achieving reduction targets remains challenging. This paper analyzes CO2 mitigation measures in the Paris metropolitan area, providing a unique, co ...

Albarus Ivonne, Lauvaux Thomas, Utard Hervé, Ciais Philippe, Crifo Patricia, Gros Valérie

Urban Sustainability, 2025

economics

Weather Effects in Energy Seasonal Adjustment: An Application to France Energy Consumption

This paper addresses the challenge of adjusting energy consumption data for weather variations by introducing a novel General Weather Indicator (GWI). The GWI combines multiple weather variables, incl ...

Bruguet Marie, Thomas Arthur, Le Saout Ronan

The Energy Journal, 2025

statistics

Transfer Neyman-Pearson Algorithm for Outlier Detection

We consider the problem of transfer learning in outlier detection where target abnormal data is rare. While transfer learning has been considered extensively in traditional classification, the problem ...

Mousavi-Kalan Mohammadreza, Neugut Eitan J., Kpotufe Samory

Proceedings of The 28th International Conference on Artificial Intelligence and Statistics, PMLR 258:4717-4725, 2025

economics

Do You Care About Your Positions? Users Under Liquidation Risk in Decentralized Lending Protocol

Lending protocols have transformed the Decentralized Finance (DeFi) ecosystem, driving innovation while also introducing new risks. This study develops a machine learning framework to predict user beh ...

Mu Boyang, Tovanich Natkamon, Prat Julien

IEEE International Conference on Blockchain and Cryptocurrency, IEEE ComSoc, Jun 2025, Pisa, Italy, 2025

economics

DeFi-Vis: Visual Analytics for Exploring Decentralized Finance Trading Activities

DeFi-Vis is an innovative visual analytics tool that enhances user interaction with blockchain data for advanced insights into trading strategies, portfolio management, and decentralized finance (DeFi ...

Napoli Emanuele Antonio, Tovanich Natkamon, Gatteschi Valentina

2025 IEEE International Conference on Blockchain and Cryptocurrency (ICBC 2025), Jun 2025, Pise, Italy., 2025

statistics

Gradient-free stochastic optimization for additive models

We address the problem of zero-order optimization from noisy observations for an objective function satisfying the Polyak-Łojasiewicz or the strong convexity condition. Additionally, we assume that t ...

Akhavan Arya, Tsybakov Alexandre B.

Arxiv, Cornell University, 2025

statistics

Modelling Pathwise Uncertainty of Stochastic Differential Equations Samplers via Probabilistic Numerics

Probabilistic ordinary differential equation (ODE) solvers have been introduced over the past decade as uncertainty-aware numerical integrators. They typically proceed by assuming a functional prior t ...

Le Fay Yvann, Särkkä Simo, Corenflos Adrien

Bayesian Anal. Advance Publication 1-24, 2025

finance

Tree-based conditional copula estimation

This article proposes a regression tree procedure to estimate conditional copulas. The associated algorithm determines classes of observations based on covariate values and fits a simple parametric co ...

Bonacina Francesco, Lopez Olivier, Thomas Maud

Dependence Modeling, Volume 13, Issue 1, 2025