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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 2019 applications now open
New Deadline: February 1, '19
News
- Jan. 16, 2019Sparse structures in graphs and matroids
Professors Peter Nelson (PI) and Luke Postle (co-PI) have been awarded an International Research Partnership Grant (IPRG) for their project Sparse structures in graphs and matroids.
- Jan. 9, 2019Ronald C. Read (1924-2019)
Former C&O faculty member Ronald (Ron) Read died on January 7, 2019 at the age of 94.
- Jan. 1, 2019Jane Gao joins the C&O department
The C&O department is pleased to welcome our newest faculty member, Jane (Pu) Gao.
Events
- Feb. 26, 2019Reading Group on Entropy and Counting- John Schanck
Title: Bounding Dedekind numbers with entropy
Speaker: John Schanck Affiliation: University of Waterloo Room: MC 6486 Abstract: The Dedekind numbers (sequence A000372 in the OEIS)
- Feb. 27, 2019Graphs and Matroids Seminar- Ahmed Ashraf
Title: Cyclic flat approach to matroid base polytopes
Speaker: Ahmed Ashraf Affiliation: Western University Room: MC 5501 Abstract: Ardila, Benedetti and Doker realised matroid polytopes as generalized permutohedra, and using the work of Postnikov,
- Feb. 28, 2019Special Seminar - Yi-Shuai Niu
Title: Difference-of-SOS and Difference-of-Convex-SOS Decomposition Techniques for Polynomials
Speaker: Yi-Shuai Niu Affiliation: SJTU-Paristech & Maths department Shanghai Jiao Tong University
Room: MC 5501 Abstract:
We are interested in polynomial decomposition techniques for reformulating any multivariate polynomial into difference-of-sums-of-squares (DSOS) and difference-of-convex-sums-of-squares (DCSOS) polynomials.