Author

Masahiro Ikeda

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#machine learning Preprint May 2025

Why and When Deep is Better than Shallow: Implementation-Agnostic State-Transition Model of Deep Learning

The message is that the statistical cost of depth is the metric entropy of the set $B(k,F)$ of compositions, and it separates the models whose estimation error is independent of the depth from those whose estimation error grows with it.

Sho Sonoda, Yuka Hashimoto, Isao Ishikawa et al. · 0 citations

#machine learning Preprint Sep 2026

High-Probability Guarantees for SGD under $\beta$-Heavy-Tailed Gradient Noise

This work model SGD gradient noise by adopting a Young function that preserves the finiteness of all polynomial moments while allowing tails heavier than sub-Weibull, including lognormal distributions, and establishes concentration inequalities for $\beta$-heavy-tailed noise.

Qi-Jun Tong, Masahiro Ikeda, Ryota Kawasumi · 0 citations