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artificial intelligence

6,497 papers

#artificial intelligence Preprint Aug 2026

Lies We Can See: Joint Verbal and Non-Verbal Deception by VLM Agents in Embodied Social Interactions

MineAmongUs is introduced, a 3D multimodal Among Us sandbox where imposter agents must deceive crewmates through joint verbal and non-verbal action, and ARIA is proposed, a configurable VLM-agent harness that exposes five cognitive-component ablation axes and opens a new path for embodied VLM-agent alignment research.

Jaewoo Ahn, Junseo Kim, Hyunseo Kim et al. · 0 citations
#artificial intelligence Preprint Aug 2026

Beyond Token-Level Guidance: Inference-Time Alignment of Specialized LLMs via Cross-Family Representation Steering

CREST is proposed, an inference-time alignment method that steers base model hidden representations using safety directions extracted from a guidance model of any family, avoiding token-level structural limitations entirely and outperforming baselines by up to 22.2\% on safety benchmarks.

Jin Gan, Xin Li, Jun Luo · 0 citations
#artificial intelligence Preprint Aug 2026

Dec-BFTRL: Squre-Root Regret for Decentralized Online Upper-Linearizable Optimization under Separation Access with Application to Continuous Submodular Maximization

This work proposes Decentralized Barrier Follow-the-Regularized-Leader (Dec-BFTRL), and evaluates each agent's played action against the average of all local objectives, with applications to online continuous diminishing-return (DR) submodular maximization.

Yiyang Lu, M. Pedramfar, Vaneet Aggarwal · 0 citations
#artificial intelligence Preprint Aug 2026

Using Prosody to Predict Syntactic Structure

This work quantifies the interaction between prosodic features and syntactic representations as their mutual information, and provides a general-purpose framework for estimating this quantity over large speech-text corpora using multimodal language models.

Junghyun Min, Alex Warstadt, Tamar I. Regev et al. · 0 citations
#artificial intelligence Preprint Aug 2026

VIBE: Video Instruction-aligned Background music gEneration

VIBE is introduced, a novel text-and-video-to-music (T+V2M) generation model that leverages a depth-wise cross-layer conditioning mechanism that dynamically bridges the planning and diffusion refinement heads and a comprehensive reward modeling taxonomy, optimizing for both hard, verifiable constraints and soft, subjective qualities with a structured 5-stage training curriculum.

Aryan Vijay Bhosale, Vaibhavi Lokegaonkar, Vishnu Raj et al. · 0 citations
#artificial intelligence Preprint Aug 2026

Aligning Multi-Trajectory Supervision with Policy Optimization for VLA Driving

A novel framework that aligns multi-trajectory supervision with policy optimization, and introduces two complementary mechanisms: feasibility-first advantage assignment and dynamic distillation to ensure that expanded trajectory supervision is effectively absorbed during policy optimization.

Tian Zhang, Zhuo Huang, Hong-Rui Ye et al. · 0 citations
#artificial intelligence Preprint Aug 2026

Mitigating Over-Optimization in PRM-Guided Search in Mathematical Reasoning by Optimizing the Guide

This work theoretically shows that directly leveraging PRM score is vulnerable to verifier noise through an extreme-value effect: non-viable prefixes become more likely to receive spuriously high scores as reasoning depth increase, leading to a training-free robust process supervision method that preserves promising alternatives when step-level scores are noisy.

Taejong Joo, Diego Klabjan · 0 citations

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