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Welcome to Combinatorics and Optimization

Spring 2018 Undergraduate Research Assistantship Program (URA)Applications for the Spring 2018 program are now closed.


Tutte's Distinguished Lecture Series 

The very successful Tutte's 100th Distinguished Lecture Series has now completed. That success has led to a Tutte Distinguished Lecture once per term. The next lecture is:

Sergey Norin - November 2

*Recordings of occurred talks are all available on C&O's YouTube Channel   


Grad Studies: Fall 2018 applications now open

 New Deadline: February 1, '19


  1. Oct. 18, 2018Constant-time quantum computers more powerful than classical counterpartsGraphic showing the circuit width depth

    Written by Institute for Quantum Computing staff

    Quantum computers can solve a linear algebra problem faster than classical computers, according to a new study published in Science. The finding proves that constant-depth quantum circuits are more powerful than their classical counterparts, and provides a new sense of how quantum technology will be a key to more powerful computing.

  2. Aug. 17, 2018Hausdorff workshop on combinatorial optimization

    Professor Jochen Koenemann is a co-organizer of a followup workshop to the 2015 Trimester Program on Combinatorial Optimization.

  3. Aug. 1, 2018David Gosset joins the C&O department

    On August 1, David Gosset joined the Department of Combinatorics and Optimization as an Associate Professor.

Read all news
  1. Oct. 25, 2018Algebraic Graph Theory Seminar- Nathan Lindzey

    Title: Maximum Independent Sets in Erdos-Ko-Rado Combinatorics

    Speaker: Nathan Lindzey
    Affiliation: University of Waterloo
    Room: MC 6486

    Abstract:  We discuss a general algebraic method for characterizing maximum independent sets in graphs that arise in Erdos-Ko-Rado combinatorics, provided the graphs are large enough. 

  2. Oct. 25, 2018Graphs and Matroids Seminar- Gholam Reza Omidi

    Title: Some problems on the size Ramsey numbers

    Speaker: Gholam Reza Omidi
    Affiliation: Isfahan University of Technology
    Room: MC 5417

    Abstract: For given simple graphs $G_1$ and $G_2$, the size Ramsey number $\hat{R}(G_1,G_2)$ is the smallest positive integer $m$,

  3. Oct. 26, 2018CombOpt Reading Group- Zishen Qu

    Title:Local Search Guarantees on Facility Location Problems

All upcoming events