This lecture was recorded by Colva Roney-Dougal on the 11th of May 2026 at Barnard's Inn Hall, London

Colva Mary Roney-Dougal OBE is a British mathematician specializing in group theory and computational algebra. She is Professor of Pure Mathematics at the University of St Andrews, where she is first female Head of Pure Mathematics.

The transcript and downloadable versions of the lecture are available from the Gresham College website: https://www.gresham.ac.uk/watch-now/hard-complexity

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