General Information

Name
Sheng-An (Samuel) Xu
中文
徐晟安
Current
PhD student in Industrial Engineering & Operations Research, University of California, Berkeley.

Education

2021-2025

Nanjing University

B.S. in Mathematics and Applied Mathematics.

  • GPA: 3.94 / 4.0.
  • Ranked 1/48 in Major.

2024

University of Wisconsin-Madison

Exchange student. GPA: 4.0/4.0.

  • Coursework included real analysis, complex analysis, stochastic processes, differential geometry, Lie algebra, and algebraic topology.

2023

University of California, Berkeley

Summer Session. GPA: 4.0/4.0.

Research Experience

2025

Statistical and Computational Efficiency of Non-Linear Bandits

LAMDA Group, Nanjing University. Advisor: Prof. Peng Zhao.

  • Studied generalized linear bandits, neural bandits, and one-pass online update methods.
  • Developed regret analysis for efficient algorithms under nonlinear reward models.

2024

Optimization Based on Diffusion Models

Nanjing University. Advisor: Prof. Caihua Chen.

  • Explored diffusion-based approaches for optimization and sampling problems.

2024

Machine Learning Engineer Intern

Nanjing Huihu Intelligence Technology Co., Ltd.

  • Worked on machine-learning systems involving natural language processing and computer vision.

Honors and Awards

2025

  • Outstanding Graduate of Nanjing University.
  • Jiangsu Province Government Scholarship for Overseas Study for College Students.

2023-2024

  • Guo-Xie-Birong Scholarship, highest honor in the department.
  • Special Scholarship of Basic Sciences, Nanjing University.

2022-2023

  • Bailu Scholarship, Nanjing University.
  • Meritorious Prize, American Mathematical Contest in Modeling.
  • Outstanding Leader, Tian-Jian Voluntary Association, Nanjing University.

2021-2022

  • National Scholarship for Undergraduate Student, China.
  • Excellent Freshman Student, Nanjing University.

Skills

Programming Skills

C++, Python, MATLAB, and R.