04:00
2026-09-04
arxiv.org
artificial-intelligence
The Gradient Does Not See Rank: Rank-Indifference in Matrix-CODI on ProsQA
A new arXiv preprint (2609.03090v1) reports that matrix-CODI, a continuous chain-of-thought model with matrix-valued latent bottlenecks, shows rank-indifference on the ProsQA benchmark: rank-k project…