Dr. Wu Yi Hsiang

Professor

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Biography

Wu-Yi Hsiang is a Professor Emeritus in the Department of Mathematics at the University of California, Berkeley. His research interests include transformation groups and differential geometry. Hsiang has co-authored several significant publications, particularly in the area of celestial mechanics and the geometry of three-body motions. His work employs an equivariant Riemannian geometric approach to analyze the complex dynamics of celestial bodies. Significant contributions include studies on global geometry of three-body motions and kinematic geometry in the context of celestial mechanics. Hsiang has published in various renowned mathematical journals and has a strong reputation in his field for advancing the understanding of geometric frameworks and their applications to physical systems.

Research Interests

Transformation Groups Differential Geometry

Requirements for University of California, Berkeley

Doctorate Program
Requirements
GPA Requirement
Required:3
GRE Subject
Overall Score
Required:500
Overall
Required:500
TOEFL
Total
Required:90
IELTS
Overall
Required:7
Prerequisites
Bachelor's degree or recognized equivalent Preparation comparable to undergraduate major at Berkeley in Mathematics or Applied Mathematics 2 full years lower-division work (Calculus, Linear Algebra, Differential Equations, Multivariable Calculus) 8 one-semester upper-division courses (Real Analysis, Complex Analysis, Abstract Algebra, Linear Algebra)
Application Checklist
  • Graduate Application
  • Statement of Purpose
  • Personal History Statement
  • Three Letters of Recommendation
  • Unofficial Transcripts
  • C.V./Resume
  • Course and Textbook List
Specialization Notes

The Mathematics Subject GRE is required for the Fall 2026 admissions cycle. General GRE is optional.