Friday, November 26, 2021

Friday, November 26, 2021 — 3:30 PM EST

Title: Quantum Distributed Complexity of Graph Diameter and Set Disjointness

Speaker: Ashwin Nayak Affiliation:

University of Waterloo

Zoom: Please email Emma Watson

Abstract:

In the Congest model, a network of p processors cooperate to solve some distributed task. Initially, each processor knows only its unique label, the labels of its neighbours, and a polynomial upper bound on p, the size of the network. The processors communicate with their neighbours in rounds. In each round, a processor may perform local (quantum) computation, and send a short message to each of its neighbours. How many rounds of communication are required for some processor to compute the diameter of the network?

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