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math.OC2022★ 1 cited
A Conditional Gradient-based Method for Simple Bilevel Optimization with Convex Lower-level Problem
Ruichen Jiang, Nazanin Abolfazli, Aryan Mokhtari +1
In this paper, we study a class of bilevel optimization problems, also known as simple bilevel optimization, where we minimize a smooth objective function over the optimal solution…
math.OC2022★ 2 cited
Generalized Optimistic Methods for Convex-Concave Saddle Point Problems
Ruichen Jiang, Aryan Mokhtari
The optimistic gradient method has seen increasing popularity for solving convex-concave saddle point problems. To analyze its iteration complexity, a recent work [arXiv:1906.01115…