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Author

Rana Muhammad Shahroz Khan

Vanderbilt University

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#artificial intelligence Preprint Oct 2026

Do More Modalities Always Help? A Geometric Perspective on Missing-Modality Robustness

Geodesic Unlearning (GU), a lightweight parameter-editing method that leverages Grassmannian subspace geometry for structured subspace correction to improve missing-modality robustness, is proposed and suggested as a practical route for robustness correction.

Song-Yuan Sui, Zhen Tan, Mohan Zhang et al. · 0 citations
Review Aug 2026

MatrAIx: Simulating the World with 8.3 Billion Persona Agents

MatrAIx is introduced, a population-scale simulated-user evaluation infrastructure for testing AI systems and digital products with heterogeneous users and provides an end-to-end infrastructure for evaluating AI systems and digital products with diverse simulated human users.

Xiaomin Li, Yuexing Hao, Jian Hou et al. · 1 citation

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