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arXiv cs.CL · Papers

xHC: Expanded Hyper-Connections

arXiv:2607.14530v1 Announce Type: cross Abstract: Hyper-Connections (HC) expand the residual stream of Transformers into $N$ parallel streams, providing a form of memory scaling beyond model width and depth. Manifold-Constrained HC (mHC) stabilizes this formulation at scale. The large gains from $N{=}1$ to $N{=}4$ sugg