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Certifiably Correct Fr\'echet Means in Orbit Spaces

arXiv:2610.24191v2 Announce Type: cross Abstract: We study Fr\'echet means in orbit spaces of finite orthogonal group actions. Since computing these means is NP-hard in general, we take inspiration from group synchronization to develop tractable spectral and semidefinite relaxations. Pairwise align…

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  1. 2026-10-20 04:00 · arXiv stat.ML
    Certifiably Correct Fr\'echet Means in Orbit Spaces

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