ResearchResearch paperLarge Language Models · Training & Scaling · Interpretability1 source · Oct 8, 2026

Correlational Training of Morphological Neural Networks

In this work, we propose a novel weight update method for morphological neural networks inspired from the Multiplicative Weights Update (MWU) scheme.

Key points

  • Neural networks are typically trained using first-order methods and back-propagation.
  • It is unclear whether this approach is optimal for morphological layers whose weight Jacobians are sparse and whose resulting parameter gradients can be poor.
  • We view each morphological perceptron as an instance of the learning from experts' advice problem in logarithmic space, and use a correlation-based reward that favors inputs aligned with the desired output change, regardless of whether a strong gradient signal has reached their weight.
  • We empirically evaluate our approach by training fully connected layers both as stand-alone models and as parts of larger transformer networks.

Sources (1)

  • [1]Correlational Training of Morphological Neural Networks
    arXiv (AI, ML, NLP, CV, robotics, multi-agent) · Oct 8, 11:33 AM
    In this work, we propose a novel weight update method for morphological neural networks inspired from the Multiplicative Weights Update (MWU) scheme.
    Neural networks are typically trained using first-order methods and back-propagation.

Extractive summary: sentences quoted from the sources.

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