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Vasu Sharma

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#natural language process... Preprint Aug 2026

Detecting Hidden Chain-of-Thought in Large Language Models with Linguistic, Behavioral, and Mechanistic Indicators

These findings show stronger, less prompt-conditional CoT-like behavior in the reasoning-tuned model, consistent with but not proof of latent reasoning, thus investigates latent reasoning without relying on models'self-reported traces.

Armaanjit Singh, R. Le, Jasminepreet Kaur et al. · 0 citations
#artificial intelligence Preprint Aug 2026

MUDDLE: Measuring Understanding of Documents under Distractor and Length Effects

In the complete markdown sweep, hard negatives lower accuracy more than length-matched random documents at both context sizes for gpt-5-mini, while random documents stay near the no-distractor baseline, and for gpt-5-mini hard negatives significantly underperform length-matched random distractors when pooled across con...

Jason Luo, Saibilila Abudukelimu, Judy Song et al. · 1 citation
#artificial intelligence Preprint Aug 2026

PAUSE: Editable Strategy Artifacts for Long-Form Cultural Story Adaptation

PAUSE (Pause-And-Update Strategy Editing) is an intervention that exposes an editable adaptation strategy as a human control surface for cultural decisions in long-form story adaptation, a structured artifact that can be inspected, edited, and then projected through downstream character, entity, and chapter-localizatio...

Taaha Kazi, Vasu Sharma, M. Saifullah et al. · 0 citations
#artificial intelligence Preprint Jul 2026

Looking Again: Measuring Sycophancy in the Reasoning Chains of Multimodal Models Under Pressure

The results show that sycophancy can corrupt the reasoning chain independently of the final answer, so answer-level evaluation alone is insufficient, and a failure taxonomy separating reasoning-chain from answer-level sycophancy is introduced, and a complementary sentence-level taxonomy locating where in the chain drif...

Mahir Numayeer Islam, G. Okuyama, Nikolaus Siauw et al. · 0 citations
Preprint Jul 2026

Narrative World Model: Narratology-Grounded Writer Memory for Long-Form Fiction

Long-form fiction writers need memory that answers multi-hop questions about evolving story state: who knows a secret and when they learned it, whether an event preceded the narration that revealed it, whether a setup paid off, and how a relationship shifted. General-purpose retrieval and agent-memory systems represent...

M. Saifullah, Thomas Kornmaier, Taaha Kazi et al. · 1 citation · ⚡1
Preprint Jul 2026

Asymmetric Collapse in Model Merging: When Refusal Over- writes Recognition

Standard model merging can collapse safety recognition into broad refusal when safety-relevant task vectors differ substantially in scale, and results show that standard model merging can collapse safety recognition into broad refusal when safety-relevant task vectors differ substantially in scale.

Aarnav Choudhary, Matheus Rocha, Jiwon Seo et al. · 0 citations
#artificial intelligence Preprint Aug 2026

Compositional Failure in Audio-Visual LLMs: Late-Layer Prior Dominance Under Cross-modal Conflict

It is shown that stronger temporal alignment changes answer bias, but do not improve compositional conflict resolution, and that stronger temporal alignment changes answer bias, but do not improve compositional conflict resolution.

Adarsh Sudheer, David Li, Omar Elbanna et al. · 0 citations

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