Explore a comprehensive lecture on Differential Geometry of Curves and Surfaces in this fifth installment of a master's level course taught by Professor Lucas Ambrozio. Delve into advanced topics such as curves in plane and space, length, curvature, and torsion. Examine surfaces in R3, including their definitions, parameterizations, and coordinate changes. Study the first fundamental form, distances, areas, and curvature. Investigate the Gauss normal map, second fundamental form, principal curvatures, Gaussian curvature, and mean curvature. Analyze curvature lines, asymptotic lines, and the sign of Gaussian curvature. Discover the relationship between mean curvature and area, and learn about the sphere rigidity theorem and Alexandrov's Theorem. Compare intrinsic and extrinsic geometry, explore isometries and Gauss's Theorema Egregium, and understand covariant derivatives and parallel transport. Delve into geodesic curvature, geodesics, and the Gauss-Bonnet Theorem with its applications. Prerequisite knowledge includes familiarity with the inverse function theorem in Rn and basic topology of Rn space. Read more