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by PoignardAzur 755 days ago
"Transformers Represent Belief State Geometry in their Residual Stream":

https://www.lesswrong.com/posts/gTZ2SxesbHckJ3CkF/transforme...

Basically finding that transformers don't just store a world-model as in "what does the world that produce the observed inputs look like?", they store a "Mixed-State Presentation", basically a weighted set of possible worlds that produce the observed inputs.