I am currently a PhD student at Yale University. I finished my master study in Electrical Engineering and Information Technology at ETH Zurich. I received my B.Eng. in Automation from Xi’an Jiaotong University.

Journal Publications

• Sion’s Minimax Theorem in Geodesic Metric Spaces and a Riemannian Extragradient Algorithm
  Peiyuan Zhang, Jingzhao Zhang, Suvrit Sra
  SIAM Journal on Optimization

Conference Publications

• Rethinking the Variational Interpretation of Nesterov’s Accelerated Method
  Peiyuan Zhang, Antonio Orvieto, Hadi Daneshmand
  NeurIPS 2021

• Revisiting the Role of Euler Numerical Integration on Acceleration and Stability in Convex Optimization
  Peiyuan Zhang, Antonio Orvieto, Hadi Daneshmand, Thomas Hofmann, Roy Smith
  AISTATS 2021

Preprints and scripts

• Online Algorithms and Lower Bounds for Average-Case Matrix Discrepancy
  Dmitriy Kunisky, Peiyuan Zhang (alphabetical ordering)
  Under review

• Lower Generalization Bounds for GD and SGD in Smooth Stochastic Convex Optimization
  Peiyuan Zhang, Jiaye Teng, Jingzhao Zhang
  Under JMLR review