Explore the fascinating world of high-dimensional expanders in this illuminating lecture by Irit Dinur from the Weizmann Institute. Delve into the fundamental concepts and applications of these mathematical structures as part of the Analysis and Theoretical Computer Science Boot Camp. Gain insights into how high-dimensional expanders extend the notion of graph expansion to higher dimensions and their significance in various areas of mathematics and computer science. Learn about the latest developments and open problems in this rapidly evolving field, and discover how these structures contribute to advancements in coding theory, property testing, and beyond.