About Me
My name is Zhengyi Guo (郭正仪) and I am a Master Student in Financial Engineering at Columbia University, advised by Prof. Wenpin Tang and Prof. David D. Yao. I received by Bachelor’s degree in Mathematics from University of Liverpool (2024), advised by Dr. Youness Boutaib.
Research Interests
- Mathematical Foundation of Probabilistic Machine Learning
- Generative AI (including Score/Flow-based Models and LLMs)
- Mathematical Finance, Financial Engineering and DeFi
News
- I will do a spotlight presentation on NeurIPS 2025 ML×OR Workshop
Preprints
Improved techniques for fine-tuning flow models via adjoint matching: a deterministic control pipeline
with Jiayuan Sheng, David D. Yao and Wenpin Tang (2026)
arXiv | DOI
arXiv | DOI
Conditional Diffusion Guidance under Hard Constraint: A Stochastic Analysis Approach
with Wenpin Tang and Renyuan Xu (2025)
arXiv | DOI
arXiv | DOI
Diffusion Generative Models Meet Compressed Sensing, with Applications to Imaging and Finance
with Jiatu Li, Wenpin Tang and David D. Yao (2025)
arXiv | DOI
arXiv | DOI
Misc.
- Big fan of basketball (GSW) and football (Man City & England)
- I love working out, and hiking is my favorite outdoor activity