Robuta

https://deepai.org/publication/nonconvex-matrix-factorization-is-geodesically-convex-global-landscape-analysis-for-fixed-rank-matrix-optimization-from-a-riemannian-perspective Nonconvex Matrix Factorization is Geodesically Convex: Global Landscape Analysis for Fixed-rank... Sep 29, 2022 - 09/29/22 - We study a general matrix optimization problem with a fixed-rank positive semidefinite (PSD) constraint. We perform the Burer-Mont... matrix factorizationgeodesically convex https://openreview.net/forum?id=LGG1IQhbOr Non-geodesically-convex optimization in the Wasserstein space | OpenReview We study a class of optimization problems in the Wasserstein space (the space of probability measures) where the objective function is nonconvex along... geodesically convexin thenonoptimizationwasserstein