University of Waterloo, Combinatorics and Optimization

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The Department of Combinatorics and Optimization (C&O) is the only department of its kind in the world. It has 30 professors and more than 60 graduate students. Among the faculty are one Fellow of the Royal Society of Canada, one member of the National Academy of Engineering, two Canada Research Chairs, three University Research Chairs, two Fulkerson Prize winners, one Sloan Fellow, and one recipient of a Friedrich Wilhelm Bessel Research Award.

We are intensely research oriented and hold a strong international reputation in each of our six major research areas: Algebraic Combinatorics, Continuous Optimization, Cryptography, Discrete Optimization, Graph Theory, and Quantum Computing. C&O faculty members also do research in algorithmic game theory, approximation algorithms, combinatorial algebraic geometry, matroid theory, network optimization, numerical analysis, and operations research.

The C&O department is affiliated with the Centre for Applied Cryptographic Research (CACR), the Institute for Quantum Computing (IQC), Perimeter Institute (PI), and the Waterloo Research Institute in Insurance, Securities & Quantitative Finance (WatRISQ). Our PhD graduates include Vasek Chvatal, Bill Cook, Bill Cunningham, Jim Geelen, Bill Pulleyblank, Neil Robertson, Bruce Shepherd, Doug Stinson, and Carsten Thomassen.


  1. [AP] Cryptography, Optimization, Assistant Professor, Tenure Track (deadline 2023/12/04 11:59PM)
  2. [PDF1] Algebraic Combinatorics, Discrete Optimization, Continuous Optimization, Cryptography, Graph Theory, and Quantum Computing, MATH PRESTIGIOUS PDF IN MATH/CO (deadline 2024/01/02 11:59PM)
  3. [PDF2] Graph Theory, Postdoctoral fellowship in Graph Theory (deadline 2023/12/31 11:59PM)

(3 positions listed)