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Thursday, September 28, 2017 — 3:30 PM EDT
Title: Quantum Walks and State Transfer
| Speaker: | Christopher van Bommel |
| Affiliation: | University of Waterloo |
| Room: | MC 6486 |
Abstract:
Quantum walks are the quantum analogues of classical random walks and can be used to model quantum computations. If a quantum walker starts at a vertex of a graph and after some length of time, has probability 1 of being found at a different vertex, we say there is perfect state transfer between the two vertices.
Thursday, September 28, 2017 — 3:30 PM EDT
Title: The 1,2,3-Conjecture and a related problem for bipartite graphs
| Speaker: | Kasper Lyngsie |
| Affiliation: | University of Waterloo |
| Room: | MC 5479 |
Abstract:
Friday, September 29, 2017 — 3:30 PM EDT
Title: The quantum and private capacities of quantum channels, and the solution in the low-noise regime
| Speaker: | Debbie Leung |
| Affiliation: | University of Waterloo |
| Room: | MC 5501 |
Abstract:
We first summarize background on the quantum capacity of a quantum channel, and explain why we know very little about this fundamental quantity, even for the qubit depolarizing channel (the quantum analogue of the binary symmetric channel) despite 20 years of effort by the community.