Author

Philip S. Yu

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Preprint Aug 2026

Sycophancy Suppression Can Impair Rational Updating: Anti-Sycophancy Should Preserve the Ability to Update

Large language models often exhibit sycophancy, revising their answers to align with users when users push back. Such answer flips, however, can arise from different causes. One possibility is that the model simply aligns with the user's feedback in order to satisfy them. Another is that the feedback genuinely contains...

Huanhuan Ma, Henry Peng Zou, Cheng-Ze Li et al. · 0 citations

Preprint Aug 2026

Online Test-Time Adaptation for Generalizable Dynamic Graph Anomaly Detection

Generalizable dynamic graph anomaly detection (DGAD) enables pretrained detectors to identify anomalies in unseen target domains without costly retraining. However, existing methods often fail for two reasons. First, they mainly rely on domain-agnostic patterns and miss domain-specific patterns that keep evolving. Seco...

Jialun Zheng, Han-Chen Yang, Jiannong Cao et al. · 0 citations