Author

J. Shi

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Preprint Aug 2026

Reasoning Errors Have a Region and a Direction in the Residual-Stream Trajectory of LLMs

It is suggested that reasoning validity is better read from state-conditioned motion than from either static states or decontextualized trajectories alone, andlations show that motion, region, and direction provide complementary signals.

Hamed Damirchi, I. M. De La Jara, D. Ranasinghe et al. · 0 citations

#machine learning Preprint Aug 2026

An Identifiability Theory of Masked Prediction: Mode Blindness and Mask Schedules

This work empirically validate predictions through exact calculations and controlled stochastic optimization of the worst-case joint-distribution error permitted by excess risk at most $\varepsilon$-identifiability modulus using an $\varepsilon$-identifiability modulus.

Yichao Cai, J. Shi · 0 citations