Optimising Maurer-Langford-Seeger's bound. Picard-Weibel, A. & Guedj, B. Technical Report 2024. Short note.
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The surrogate PAC-Bayes learning algorithm was recently introduced by Picard-Weibel et al. (2024) to efficiently minimise the bound of Catoni. Catoni's celebrated bound is tractable, however the Maurer-Langford-Seeger (MLS) bound is generally tighter. In this short note, we adapt the surrogate PAC-Bayes framework to efficiently minimise the MLS bound.

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