Publications

Also see my Google Scholar page.

'*' stands for equal contribution.

• [8] Ali Asadi*, Krishnendu Chatterjee*, Ruichen Luo*, Raimundo Saona*, Elahe Tohidi*. (2026). Faster Algorithms for Discounted-Sum Games with Few Stochastic Nodes. In Preparation.
• [7] Ruichen Luo, Anton Rodomanov, Sebastian Stich. (2026). Communication- and Computation-Efficient Methods for Convex-Concave Saddle Point Problems and Monotone Block Variational Inequalities. In Submission to COLT'2026.
• [6] Krishnendu Chatterjee*, Ruichen Luo*, Raimundo Saona*, Jakub Svoboda*. (2026). Algorithms for Linear Equations with Min and Max Operators under (Absolutely) Halting Condition. In Submission to LICS'2026. [Slides]
• [5] Ruichen Luo, Sebastian U Stich, Krishnendu Chatterjee. (2026). Monotone Near-Zero-Sum Games. In ICLR'2026. [Slides]
• [4] Ruichen Luo, Sebastian U Stich, Samuel Horvath, Martin Takac. (2025). Revisiting LocalSGD and SCAFFOLD: Improved Rates and Missing Analysis. In AISTATS'2025. [Poster] [Slides]
• [3] Krishnendu Chatterjee*, Ruichen Luo*, Raimundo Saona*, Jakub Svoboda*. (2025). Linear Equations with Min and Max Operators: Computational Complexity. In AAAI'2025 (Oral). [Slides]
• [2] Ali Zindari, Ruichen Luo, Sebastian U Stich. (2023). On the Convergence of Local SGD under Third-Order Smoothness and Hessian Similarity. In OPT'2023 NIPS Workshop.
• [1] Longqian Huang, Ruichen Luo, Xu Liu, Xiang Hao. (2022). Spectral Imaging with Deep Learning. Light: Science & Applications. Vol. 11(61). [Top Downloaded Paper 2022, 2023, 2024]