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Phase transitions

topic2 events
papersTODAY 04:00 UTC

Quenched Ensemble Sampling Tackles Phase-Transition Bottlenecks in Sampling

A new arXiv preprint introduces Quenched Ensemble Sampling, a method aimed at the difficulty of drawing samples from physical energy functions near phase transitions, where the density of states shifts sharply and many existing samplers slow or stall. The work builds on nested sampling, a particle-based approach that traverses such landscapes. The abstract indicates the technique is designed to keep sampling efficient in these abrupt regime changes.

sampling/nested-sampling/physics/research
papersSEP 12 04:00 UTC

Study Maps Scaling Laws Behind Grokking's Delayed Generalization

A new arXiv preprint examines grokking, the phenomenon where neural networks keep memorizing training data before abruptly improving on held-out data. While prior work has focused on why this delay happens, the paper targets its quantitative structure, describing scaling laws and a phase structure that predict when the shift occurs. The authors present an arXiv preprint; the abstract excerpt provided does not detail the full experimental setup or results.

grokking/scaling-laws/research/training-dynamics