arXiv Machine Learning By Akihiro Maeda, Shohei Hidaka, Satoshi Aoki

Algebraic Signatures for Structural Learning in Probability Tensors

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arXiv:2607. 18817v1 Announce Type: cross Abstract: Algebraic statistics characterizes statistical models through polynomial constraints, but it has mainly been used for analytically specified model classes.

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arXiv Machine Learning
Aug 19

Tight Bounds for Data-driven Multiple Hyper-parameter Tuning with Structured Loss Function

The paper establishes tight pseudo-dimension bounds for data-driven multiple hyper‑parameter tuning with structured loss functions. By refining upper bounds through real algebraic geometry and analyzing invariant connected sign cells, the authors avoid over‑counting and achieve sharper sample complexities. A multi‑regime lower‑bound framework demonstrates that these upper bounds are tight, and the approach is extended to general bi‑level validation‑loss tuning and broader semi‑algebraic applications.

By Anh Tuan Nguyen, Viet Anh Nguyen