Xin Liu

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Xin Liu (刘歆)
Professor
Deputy director of Institute of Computational Mathematics and Scientific/Engineering Computing
Academy of Mathematics and Systems Science (AMSS)
Chinese Academy of Sciences (CAS)

Direct of Research Center for Operations Research and Nonlinear Optimization
State Key Laboratory of Mathematical Sciences

Contact Information

Address: 55, Zhong Guan Cun East Road, Beijing 100190, China
Office: South Building 724, AMSS, CAS
Email: liuxin at lsec.cc.ac.cn

Research Interests

My research focuses on advancing the theory and practice of optimization, with a core emphasis on developing efficient algorithms for complex, large-scale problems. I am particularly interested in nonlinear nonsmooth optimization, manifold optimization, and their variants in distributed computing environments — all aimed at addressing challenges across several fields:

  • Machine Learning: Designing robust methods for stochastic training of neural networks, decentralized (federated) learning systems, and bilevel optimization.

  • Scientific Computing: Building reliable numerical tools for linear systems, eigenvalue problems, first-principles electronic structure calculation and crystal structure relaxation.

  • Data Science: Applying optimization techniques to high-dimensional data analysis and statistical data analysis.









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Since February 28th, 2006