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Hey man, I didn't post the paper on neural nets, manifolds and topology; I'm not going to defend it. I already said you don't need a metric. But in the presenc
by scottlocklin 8y ago
Hey man, I didn't post the paper on neural nets, manifolds and topology; I'm not going to defend it.
I already said you don't need a metric. But in the presence of an interesting metric or other distance measure; of course the signal fits on a lower dimensional manifold. Metric spaces and other distance measures give people a lot of tools to reason about data in general, hence virtually all common unsupervised learning algorithms and stuff like topological data analysis.
- srean 8y agoOh the post is a good one. What I was drawing attention to is that manifold hypothesis and the compression hypothesis are different concepts. The compression hypothesis is more general to the point of being a definition. It holds true regardless of whether the low dimensional manifold property holds or not.