Yan Yang (杨俨)

Yan Yang (杨俨)

PhD Student

Academy of Mathematics and Systems Science (AMSS) • Chinese Academy of Sciences (CAS)

Research Interests

Low-rank optimization
Bilevel optimization
Riemannian optimization
Reinforcement learning
Machine learning
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Short Bio

Yan Yang is a fourth-year PhD student at the Academy of Mathematics and Systems Science, advised by Prof. Ya-xiang Yuan. Before this, he received the Bachelor degree (2022) in mathematics at the University of Chinese Academy of Sciences. His current research focuses on low-rank optimization, bilevel optimization, and Riemannian optimization.

News

2025

12-15: Honored to be selected for the Doctoral Fellowship under CAST’s Youth Talent Development Program (中国科协青年人才培育工程-博士生专项计划) 🌱

2025

09-30: Awarded the Hua Luogeng Scholarship at AMSS 🎖️

2025

05-05: Awarded the SIAM Certificate of Recognition 🎖️

Refereed papers & preprints

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Variational analysis of determinantal varieties

Yan Yang, Bin Gao, Ya-xiang Yuan

arXiv:2511.22613 2025

Preprint

A space-decoupling framework for optimization on bounded-rank matrices with orthogonally invariant constraints

Yan Yang, Bin Gao, Ya-xiang Yuan

arXiv:2501.13830 2025

Bilevel Reinforcement Learning via the Development of Hyper-gradient without Lower-Level Convexity

Yan Yang, Bin Gao, Ya-xiang Yuan

International Conference on Artificial Intelligence and Statistics (AISTATS) 2025

LancBiO: Dynamic Lanczos-aided Bilevel Optimization via Krylov Subspace

Yan Yang, Bin Gao, Ya-xiang Yuan

The Thirteenth International Conference on Learning Representations (ICLR) 2025