Sparser Abelian High Dimensional Expanders

Learn about recent advances in constructing sparser abelian high dimensional expanders in this 27-minute conference talk. Explore the collaborative research findings presented by Siqi Liu from Duke University, developed jointly with Yotam Dikstein and Avi Wigderson. Discover the theoretical foundations and practical implications of these mathematical structures, which play a crucial role in computational complexity theory and combinatorics. Gain insights into the methods used to achieve sparsity while maintaining the expansion properties that make these objects valuable for various applications in computer science and mathematics.