The Lie coalgebra of multiple polylogarithms
Zachary Greenberg, Dani Kaufman, Haoran Li, and Christian K. Zickert. The Lie coalgebra of multiple polylogarithms. J. Algebra, 645:164–182, 2024.
CV
Education
- Ph.D in Mathematics, University of Maryland, 2024
- B.S. in Mathematicsand Applied Mathematics, Sun Yat-sen University, 2018
Work experience
- Fixed-Income Quant Researcher at LSEG, Feb 2025 - Present
- Conducted P&L portfolio optimization on corporate bonds, using ex-ante analysis
- Software Engineer Intern at Wolfram|Alpha, Jun 2023 – Aug 2023
- Developed step-by-step functions to solve sums and partial sums of several types of series
- Designed efficient algorithms to handle both standard and novel inputs, ensuring flexibility and accuracy
- Conducted rigorous iterative testing to refine the functions, enhancing their robustness and reliability
- Initiated pull requests and sought peer reviews, continuously revising the code until achieving unanimous approval. Successfully integrated selected implementations into the Wolfram|Alpha codebase for user access
- Graduate Assistant at University of Maryland, Sep 2018 – Dec 2024
- Constructed models for integral motivic cohomology with multiple polylogarithms and associated Hodge structures
- Proved pertinent theorems. Devised algorithms and developed packages for computations
- Instructor & Teaching Assistant, University of Maryland, Sep 2018 – Dec 2024
- Developed comprehensive lecture notes and slides
- Proficient in making, grading tests and managing courses using Canvas, Gradescope and Matlab Grader
- Held regular office hours and review sessions
Skills
- Mathematics
- Probability and stochastic calculus
- Machine learning and statistics
- Coding:
C/C++,Python,SQL,Mathematica,MATLAB,Julia
Publications
Teaching
Awards & Honors
- Dean’s Fellowship, University of Maryland
- Hauptman Summer Fellowship, University of Maryland
- Aziz Osborn Gold Medal in Teaching Excellence, University of Maryland
- Scholarship of Canadian Alumni Association (Hong Kong)
- First prize on China Undergraduate Mathematical Contest in Modeling (CUMCM-2016)
- First-Class Scholarships, Sun Yat-sen University