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Tuesday, February 26, 2019 — 2:00 PM EST
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)
Wednesday, February 27, 2019 — 3:30 PM EST
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,
Friday, March 1, 2019 — 1:00 PM EST
Title: Fixed-parameter tractability with respect to tree-widt
| Speaker: | Rose McCarty |
| Affiliation: | University of Waterloo |
| Room: | MC 5479 |
Abstract: Courcelle’s Theorem says that a very general class of decision problems on graphs is FPT with