Dr. Chris Umans

Professor

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Biography

Chris Umans is a Professor in the Department of Computing and Mathematical Sciences at the California Institute of Technology. He holds the William M. Coughran Jr. Leadership Chair and serves as the Executive Officer for Computing and Mathematical Sciences. His research interests are rooted in theoretical computer science, where he particularly focuses on computational complexity. Professor Umans enjoys tackling problems with an algebraic flavor, leading research questions related to derandomization, explicit combinatorial constructions, algebraic algorithms, coding theory, and the hardness of approximation. His work contributes significantly to the field by exploring the intersection of algorithms and combinatorial structures, which has implications for both theoretical explorations and practical applications in computer science.

Research Interests

Requirements for California Institute of Technology

Doctorate Program
Requirements
TOEFL
Total
Required:100
IELTS
Overall
Required:7
Prerequisites
Bachelor's degree or equivalent Strong background in mathematics and physical sciences
Application Checklist
  • Online Application
  • Statement of Purpose
  • Three Letters of Recommendation
  • Transcripts
  • Resume/CV
Specialization Notes

Most Caltech graduate programs are PhD-only. GRE General and Subject tests vary by department; many have made them optional or no longer accept them.