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Brouwer's fixed-point theorem

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04:00
2026-09-10
arxiv.org
artificial-intelligence

Deep belief networks are exact

A paper submitted to arXiv on 4 Sep 2026 proves that every strictly positive probability distribution on {-1,1}^n is represented exactly by a sigmoid belief network with finite parameters, answering a…

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arXiv 1 Ilya Sutskever 1 Geoffrey Hinton 1 sigmoid belief network 1
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artificial intelligence 1 machine learning 1 neural networks 1 ai research 1