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Lecture
Connections: Axiomatic Definition
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Related lectures (32)
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Tangent vectors without embedding space: Equivalence classes
Delves into tangent vectors as equivalence classes on manifolds, highlighting their abstract nature and role in optimization.
Acceleration and geodesics
Explains acceleration along curves and geodesics on manifolds, generalizing straight lines to spheres.
From embedded to general manifolds: Why?
Explores upgrading foundations from embedded to general manifolds in optimization, discussing smooth sets and tangent vectors.
Riemannian Hessians: Connections and Symmetry
Covers connections on manifolds, symmetric connections, Lie brackets, and compatibility with the metric in Riemannian geometry.
Tangent Bundles and Vector Fields
Covers smooth maps, vector fields, and retractions on manifolds, emphasizing the importance of smoothly varying curves.
Manifolds and Tangent Space
Introduces manifolds, charts, atlases, tangent space, tensors, and the metric in curved spaces.
From embedded to general manifolds: upgrading our foundations
Explores the transition from embedded to general manifolds, upgrading foundational concepts and discussing mathematical reasons for both approaches.
Tangent vectors without embedding space: Making tangent spaces linear
Explores making tangent spaces linear, defining tangent vectors without an embedding space and their operations, as well as the equivalence of different tangent space notions.
Manopt: Optimization on Manifolds
Introduces Manopt, a toolbox for optimization on manifolds, covering gradient and Hessian checks, solver calls, and manual caching.
Smooth maps on manifolds and differentials
Covers smooth maps on manifolds, defining functions, tangent spaces, and differentials.