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Zhekai Liu
I am a first-year Ph.D. student at the Department of SEEM, The Chinese University of Hong Kong, advised by Prof.
Anthony Man-Cho So. My research interest is mathematical optimization.
Previously, I completed my B.S. at Jilin University, China, majoring in Applied Mathematics. I ranked 1st in the
Strengthening Basic Disciplines Plan, Experimental Class.
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ResearchI'm interested in mathematical optimization, especially the derivative-free optimization. |
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Revisiting Gradient-Normalized Linear Scalarization for Multi-Task Learning
Wenzhi Han, Zhekai Liu, Junchi Yang NeurIPS 2026 Workshop OPT, paper As shown in the title. |
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Critical Structures of the Cosine Measure Problem
Warren Hare, Zhekai Liu, Scholar Sun In submission, paper Solved an open question given by Prof. Rommel G. Regis' paper. |
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Collaborative Discrete-Continuous Black-Box Prompt Learning for Language
Models
Hualin Zhang, Haozhen Zhang, Zhekai Liu, Bin Gu, Yi Chang ICLR 2025, paper One application of the derivative-free optimization in LLMs. |
Miscellanea |
Talks and Posters |
The Local Structure of Cosine Measure Minima in Positive Spanning Sets A talk for SUSTech math Students, Jilin University, Changchun, China, 2025 Applied and Numerical Aspects for Nonlocal Initial Value Problems Talk and poster presentation, Joint Mathematics Meetings (JMM), Seattle, USA, 2025 Binomial Tree Option Pricing Model IUSEP in Mathematics, University of Alberta, Canada, 2024 [Slides] |
Selected Honors and Awards |
CUHK Postgraduate Studentship 2026-2030
Outstanding Student of the University 2026 Shianghao Wang Scholarship 2026 MITACS Globalink Research Internship Award 2025 First-class Scholarship 2024 2026 |
Teaching Assistant |
ENGG 2440C Discrete Mathematics (CUHK), Fall 2026.
Mathematical Analysis (JLU), Fall 2024 and Spring 2025. [handouts and notes] |
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Website template from Jon Barron |