Bome! bilevel optimization made easy: A simple first-order approach

B Liu, M Ye, S Wright, P Stone… - Advances in neural …, 2022 - proceedings.neurips.cc
Bilevel optimization (BO) is useful for solving a variety of important machine learning
problems including but not limited to hyperparameter optimization, meta-learning, continual …

Closing the gap: Tighter analysis of alternating stochastic gradient methods for bilevel problems

T Chen, Y Sun, W Yin - Advances in Neural Information …, 2021 - proceedings.neurips.cc
Stochastic nested optimization, including stochastic compositional, min-max, and bilevel
optimization, is gaining popularity in many machine learning applications. While the three …

Fusedream: Training-free text-to-image generation with improved clip+ gan space optimization

X Liu, C Gong, L Wu, S Zhang, H Su, Q Liu - arxiv preprint arxiv …, 2021 - arxiv.org
Generating images from natural language instructions is an intriguing yet highly challenging
task. We approach text-to-image generation by combining the power of the retrained CLIP …

Learning with limited samples: Meta-learning and applications to communication systems

L Chen, ST Jose, I Nikoloska, S Park… - … and Trends® in …, 2023 - nowpublishers.com
Deep learning has achieved remarkable success in many machine learning tasks such as
image classification, speech recognition, and game playing. However, these breakthroughs …

A single-timescale method for stochastic bilevel optimization

T Chen, Y Sun, Q **ao, W Yin - International Conference on …, 2022 - proceedings.mlr.press
Stochastic bilevel optimization generalizes the classic stochastic optimization from the
minimization of a single objective to the minimization of an objective function that depends …

First-order penalty methods for bilevel optimization

Z Lu, S Mei - SIAM Journal on Optimization, 2024 - SIAM
In this paper, we study a class of unconstrained and constrained bilevel optimization
problems in which the lower level is a possibly nonsmooth convex optimization problem …

A single-timescale method for stochastic bilevel optimization

T Chen, Y Sun, Q **ao, W Yin - arxiv preprint arxiv:2102.04671, 2021 - arxiv.org
Stochastic bilevel optimization generalizes the classic stochastic optimization from the
minimization of a single objective to the minimization of an objective function that depends …

Optimal network charge for peer-to-peer energy trading: A grid perspective

Y Yang, Y Chen, G Hu… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Peer-to-peer (P2P) energy trading is a promising market scheme to accommodate the
increasing distributed energy resources (DERs). However, how P2P to be integrated into the …

A knee point driven evolutionary algorithm for multiobjective bilevel optimization

J Chen, J Ding, K Li, KC Tan… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Bilevel optimization is a special type of optimization in which one problem is embedded
within another. The bilevel optimization problem (BLOP) of which both levels are …

Bilevel methods for image reconstruction

C Crockett, JA Fessler - Foundations and Trends® in Signal …, 2022 - nowpublishers.com
This review discusses methods for learning parameters for image reconstruction problems
using bilevel formulations. Image reconstruction typically involves optimizing a cost function …