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- Generalization Bounds of Nonconvex-(Strongly)-Concave Stochastic Minimax Optimization
Siqi Zhang*, Yifan Hu*, Liang Zhang, Niao He.
International Conference on Artificial Intelligence and Statistics (AISTATS) 2024
[arXiv] [OPT2022 Workshop]
- Communication-Efficient Gradient Descent-Accent Methods for Distributed Variational Inequalities: Unified Analysis and Local Updates
Siqi Zhang*, Sayantan Choudhury*, Sebastian U Stich, Nicolas Loizou.
International Conference on Learning Representations (ICLR) 2024
[arXiv] [OPT2022 Workshop]
- The Complexity of Nonconvex-Strongly-Concave Minimax Optimization
Siqi Zhang*, Junchi Yang*, Cristobal Guzman, Negar Kiyavash and Niao He.
Uncertainty in Artificial Intelligence (UAI) 2021
[arXiv] [UAI]
- Biased Stochastic First-Order Methods for Conditional Stochastic Optimization and Applications in Meta Learning
Yifan Hu*, Siqi Zhang*, Xin Chen, Niao He.
Neural Information Processing Systems (NeurIPS) 2020
[arXiv] [NeurIPS]
- A Catalyst Framework for Minimax Optimization
Junchi Yang, Siqi Zhang, Negar Kiyavash, Niao He.
Neural Information Processing Systems (NeurIPS) 2020
[NeurIPS]
Workshop Papers and Preprints
- First-Order Optimization Inspired from Finite-Time Convergent Flows
Siqi Zhang, Mouhacine Benosman, Orlando Romero, Anoop Cherian. 2021
[arXiv]
- On the Convergence Rate of Stochastic Mirror Descent for Nonsmooth Nonconvex Optimization
Siqi Zhang, Niao He. 2018
[arXiv]
- (* denotes equal contributions)
Selected Talks
- Generalization in Nonconvex Minimax Optimization: A Comprehensive Study
INFORMS Optimization Society Conference, Houston, USA, 2024.03
CAMDA Conference, College Station, USA, 2023.05
- Communication-Efficient Federated Learning Algorithms for Variational Inequalities
SIAM Conference on Optimization (OP23), Seattle, USA, 2023.06
Annual Conference on Information Sciences and Systems (CISS 2023), Baltimore, USA, 2023.03
- Nonconvex Minimax Optimization: Fundamental Limits, Efficient Algorithms and Generalization
INFORMS Annual Meeting, Indianapolis, USA, 2022.10
MINDS & CIS Seminar, JHU, Baltimore, USA, 2022.10
International Conference on Continuous Optimization (ICCOPT), Bethlehem, USA, 2022.07
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