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Hierarchical Copula-Gumbel-Top-\texorpdfstring{$K$}{K} Routing: Two-Sided Dependence Control for Frozen Mixture-of-Experts at Fixed Per-Token Routing Laws
A new mathematical routing method for mixture-of-experts (MoE) models introduces controlled dependence between tokens’ expert selections while preserving per-token routing laws and enabling training via a lightweight controller over frozen model weights.
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"New 'Hierarchical Copula-Gumbel-Top-K' method enables controllable dependence in MoE routing while preserving per-token routing laws."
arXiv Machine Learning
Aug 3, 2026