Transformers With a Velocity Ledger

A pre-norm Transformer's residual stream is forward Euler: x += Attn(norm x); x += MLP(norm x). So D1's whole dictionary transfers, and the same question follows: does a velocity ledger in the residual stream buy in a Transformer what it bought in a ResNet? The answer splits. On quality, four variants tie. On dynamics, the ledger changes everything: the residual-stream path through depth gets…