arXiv AI By Ivan Viakhirev, Kirill Borodin, Grach Mkrtchian

From Dispersion to Attraction: Spectral Dynamics of Hallucination Across Whisper Model Scales

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arXiv:2604. 08591v2 Announce Type: replace-cross Abstract: Hallucinations in large ASR models present a critical safety risk.

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arXiv AI
Oct 9

Emergent Inverse-Depth Scaling From Nonlinearity In Attention

The paper investigates how nonlinearity in attention mechanisms affects scaling laws in large language models. It finds that nonlinear attention leads to an inverse-depth decay of loss across various data spectra, enabling models to learn both strong and weak spectral directions simultaneously. This behavior contrasts with linear-attention models, which rely on a power-law data spectrum and learn directions sequentially.

By Zirui Peng, Yizhou Liu, Ziming Liu, Jeff Gore
arXiv Machine Learning
Jul 31

Critical attention scaling in long-context transformers

arXiv:2510. 05554v2 Announce Type: replace Abstract: As large language models scale to longer contexts, attention layers suffer from a fundamental pathology: attention scores collapse toward uniformity as context length $n$ increases, causing tokens to cluster excessively, a phenomenon known as rank-collapse.

By Shi Chen, Zhengjiang Lin, Yury Polyanskiy, Philippe Rigollet