Phase Space Attention:A Hairer Lift Circumvents the Single-Layer Induction Obstruction.

arXiv:2609.32319v1 Announce Type: cross Abstract: We circumvent the Sanford-Hsu-Telgarsky (SHT) single-layer induction obstruction within a linear, one-step, causal, bilinear, symplectically consistent design class on the post-RoPE substrate, by lifting attent