3 papers
cs.LG2026
Functional Bilevel Optimization for Predictive Fairness
Ieva Petrulionyte, Julien Mairal, Michael Arbel
When sensitive attributes are continuous and high-dimensional demographic score vectors, posteriors over attributes, age or income profiles enforcing full statistical indep…
stat.ML2026
Non-Stationary Functional Bilevel Optimization
Jason Bohne, Ieva Petrulionyte, Michael Arbel +2
Functional bilevel optimization (FBO) provides a powerful framework for hierarchical learning in function spaces, yet current methods are limited to static offline settings and per…
stat.ML2024
Functional Bilevel Optimization for Machine Learning
Ieva Petrulionyte, Julien Mairal, Michael Arbel
In this paper, we introduce a new functional point of view on bilevel optimization problems for machine learning, where the inner objective is minimized over a function space. Thes…