Quantum expanders from quantum groups.
- đ¤ Speaker: Michael Brannan (University of Waterloo)
- đ Date & Time: Friday 06 December 2024, 11:50 - 12:30
- đ Venue: Seminar Room 1, Newton Institute
Abstract
I will give a brief introduction to the concept of a quantum expander, which is an analogue of an expander graph that arises in quantum information theory. Most examples of quantum expanders that appear in the quantum information literature are obtained by random matrix techniques. I will explain another, more algebraic approach to constructing quantum expanders, which is based on using actions and representations of discrete quantum groups with Kazhdan’s property (T). This is joint work with Eric Culf (U Waterloo) and Matthijs Vernooij (TU Delft).
Series This talk is part of the Isaac Newton Institute Seminar Series series.
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Michael Brannan (University of Waterloo)
Friday 06 December 2024, 11:50-12:30