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Lecture
Manopt: Optimization on Manifolds
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Related lectures (31)
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Comparing Tangent Vectors: Parallel Transport
Explores the definition, existence, and uniqueness of parallel transport of tangent vectors on manifolds.
Retractions vector fields and tangent bundles: Tangent bundles
Covers retractions, tangent bundles, and embedded submanifolds on manifolds with proofs and examples.
Optimality conditions: second order
Explores necessary and sufficient optimality conditions for local minima on manifolds, focusing on second-order critical points.
Approximation Algorithms
Covers approximation algorithms for optimization problems, LP relaxation, and randomized rounding techniques.
Smooth maps on manifolds and differentials
Covers smooth maps on manifolds, defining functions, tangent spaces, and differentials.
Local Frames
Covers the concept of local frames, their construction, and limitations.
Riemannian metrics and gradients: Why and definition of Riemannian manifolds
Covers Riemannian metrics, gradients, vector fields, and inner products on manifolds.
Computing the Newton Step: GD as a Matrix-Free Way
Explores matrix-based and matrix-free approaches for computing the Newton step in optimization on manifolds.
From embedded to general manifolds: Why?
Explores upgrading foundations from embedded to general manifolds in optimization, discussing smooth sets and tangent vectors.
Computing the Newton Step: From GD to CG
Covers the transition from Gradient Descent to Conjugate Gradients, highlighting the efficiency of CG over GD in optimization on manifolds.