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Explore a 58-minute lecture from the General Relativity Workshop where Chao Li delves into the extension of classical minimal surface theory from three to four dimensions. Learn about the stable Bernstein conjecture in R^3 and rigidity results in 3-manifolds with positive Ricci curvature, then discover how these concepts translate to four-dimensional space. Examine new comparison theorems for positively curved 4-manifolds and understand the mathematical framework behind stable minimal hypersurfaces in 4-manifolds.
