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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 100th Distinguished Lecture Series 

University of Waterloo, May 5 - August 18, '17      

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


Grad Studies: Fall 2018 applications now open

 New Deadline: February 9, '18


  1. 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.

  2. 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.

  3. July 12, 2018Operations Research Challenge (TORCH)

    On March 17, 2018,  over 40 high school students from the Waterloo Region tested their math skills and learned more about the field of operations research at the The Operations Research Challenge (TORCH). 

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  1. Sep. 26, 2018Continuous Optimization Seminar

    Title: Classification, Regularization and Logistic Regression

    Speaker: Haesol Im
    Affiliation: University of Waterloo
    Room: MC 5479

    Abstract: For the first two seminar series in machine learning,

  2. Sep. 27, 2018Graphs and Matroids Seminar

    Title: A characterization of (p,q)-mixing when p/q < 4

    Speaker: Ben Moore
    Affiliation: University of Waterloo
    Room: MC 5417

    Abstract: Let Hom(G,H) be the graph whose vertex set is the set of H-colourings of G, and two H-colourings f and g are adjacent if f differs from g in at most one vertex.

  3. Sep. 28, 2018Tutte Colloquium - Kevin Purbhoo

    Title: The Shapiro-Shapiro Conjecture

    Speaker: Kevin Purbhoo
    Affiliation: University of Waterloo
    Room: MC 5501

    Abstract:

    Given four lines in 3-space, can you find a fifth line that intersects the other four? How many?

    This is the smallest non-trivial example of a "Schubert problem". The answer, in this case, is not hard to compute: there are two such lines. Generalizations of this fact date back to 19th century work of Schubert.

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