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cs.LG2025
High dimensional online calibration in polynomial time
Binghui Peng
In online (sequential) calibration, a forecaster predicts probability distributions over a finite outcome space over a sequence of days, with the goal of being calibrated…
cs.LG2024★ 1 cited
Theoretical limitations of multi-layer Transformer
Lijie Chen, Binghui Peng, Hongxun Wu
Transformers, especially the decoder-only variants, are the backbone of most modern large language models; yet we do not have much understanding of their expressive power except fo…
cs.LG2024
The sample complexity of multi-distribution learning
Binghui Peng
Multi-distribution learning generalizes the classic PAC learning to handle data coming from multiple distributions. Given a set of data distributions and a hypothesis class of…