A generalized canonical Riemannian metric is defined on the indefinite Stiefel manifold, with an associated quasi-geodesic and retraction, for use in Riemannian gradient descent.
Mathematics and Its Applications
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A generalized canonical metric for optimization on the indefinite Stiefel manifold
A generalized canonical Riemannian metric is defined on the indefinite Stiefel manifold, with an associated quasi-geodesic and retraction, for use in Riemannian gradient descent.