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Thursday, May 24, 2018 — 1:30 PM EDT
Title: Graph Reconstruction
| Speaker: | Cathy Wang |
| Affiliation: | University of Waterloo |
| Room: | MC 6486 |
Abstract: The graph reconstruction conjecture by Kelly and Ulam states that all graphs on at least three vertices are determined by their one-vertex deleted subgraphs, up to isomorphism.
Thursday, May 24, 2018 — 3:30 PM EDT
Title: Finding Independent Transversals Efficiently
| Speaker: | Alessandra Graf |
| Affiliation: | University of Waterloo |
| Room: | MC 5479 |
Abstract: Let G be a graph whose vertex set is partitioned into classes V1,..., Vm. An independent transversal of G with respect to (V1,...,Vm) is an independent set {v1,...,vm} in G such that vi is in Vi for each i.
Friday, May 25, 2018 — 9:00 AM EDT
Title: Miniconference on combinatorial structures in perturbative QFT 2: transforms and graph counting
| Speakers: |
various |
Friday, May 25, 2018 — 3:30 PM EDT
Title: Combinatorics in Particle Interactions
| Speaker: | Freddy Cachazo |
| Affiliation: | Perimeter Institute |
| Room: | MC 5501 |
Abstract:
The main approach for testing physical theories of particles is via scattering experiments. The traditional approach for computing theoretical predictions uses Feynman diagrams.