Deep belief networks are exact; the authors prove every strictly positive distribution on {−1,1}^n is represented exactly by a sigmoid belief network with finite parameters using Brouwer's fixed-point theorem.
Read the original at arxiv.org→arXiv:2609.05572v1 Announce Type: new Abstract: We prove that every strictly positive probability distribution on \(\{-1,1\}^n\) is represented exactly by a sigmoid belief network with finite parameters. This...
Original headline: "Deep belief networks are exact"
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- Sep 9, 04:00 UTC arXiv cs.AI lead source Deep belief networks are exact