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Dao and Gu: state-space duality and Mamba-2

Contribution grade

Sequence-model architectures · Human-designed research method or resource

Reference score120,000Provisional editorial estimate of this exact contribution; its grade is assessed separately.

What changed

Connected structured state-space models and attention variants through semiseparable matrix representations, using this duality to design Mamba-2 computation.

Scientific scope

Connected structured state-space models and attention variants through semiseparable matrix representations, using this duality to design Mamba-2 computation. The connection concerns specified model families and structured representations, not an equivalence of all Transformers and state-space models. Reported layer speedups are implementation-dependent.

Evidence

The linked original sources describe the stated contribution and its evidence limits. WRS has not independently rerun the experiments or certified a proof. The connection concerns specified model families and structured representations, not an equivalence of all Transformers and state-space models. Reported layer speedups are implementation-dependent.

Contributors

Provisional WRS assessment, edition 2026-10-16.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.

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