Publications

• Online Optimization over Riemannian Manifolds
  Xi Wang, Zhipeng Tu, Yiguang Hong, Yingyi Wu, and Guodong Shi*
  Journal of Machine Learning Research, Volume 24. | [paper, code]

• No-regret Online Learning over Riemannian Manifolds
  Xi Wang, Zhipeng Tu, Yiguang Hong, Yingyi Wu, and Guodong Shi*
  The 35th conference on Neural Information Processing Systems (NeurIPS). | [paper, code]

• Riemannian Online Optimistic Algorithms with Dynamic Regret
  Xi Wang, Deming Yuan, Yiguang Hong, Zihao Hu, Lei Wang and Guodong Shi*
  IEEE Transactions on Automatic Control, Accepted for publication. | [paper, code]

• Distributed Riemannian Stochastic Gradient Tracking Algorithm on the Stiefel Manifold
  Jishu Zhao, Xi Wang, and Jinlong Lei*
  Submitted to Automatica, provisionally accepted. [paper]

• Distributed Online Convex Optimization with Compressed Communication
  Zhipeng Tu, Xi Wang, Yiguang Hong*, Lei Wang, Deming Yuan, and Guodong Shi
  The 36th conference on Neural Information Processing Systems (NeurIPS). [paper, code]

• Extragradient Type Methods for Riemannian Variational Inequality Problems
  Zihao Hu, Guanghui Wang, Xi Wang, Andre Wibisono, Jacob D. Abernethy, and Molei Tao
  The 27th International Conference on Artificial Intelligence and Statistics (AISTATS). [paper]

under review:

• Foundations and Trends in Riemannian Online Learning
  Xi Wang and Guodong Shi*
  Submitted to Foundations and Trends® in Machine Learning, Under Review.

• Geometry-preserving Numerical Scheme for Riemannian Stochastic Differential Equations
  Xi Wang and Victor Solo*
  Submitted to Automatica, Under Review. [paper]

• Tangent Space Parametrization for Stochastic Differential Equations on SO(n)
  Xi Wang and and Victor Solo*
  Submitted to IEEE Control Systems Letters, Under Review. [paper]

• Stochastic Kinematic Optimal Control on SO(3)
  Xi Wang, Xiaoyi Wang and Victor Solo* [paper]