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Research identifies parasitic pathway hindering RNN state tracking

A new research paper introduces the concept of an "additive input pathway" in Householder linear RNNs, identifying it as a parasitic attractor that hinders state tracking. When this pathway is removed, the same architecture demonstrates an ability to learn and generalize to longer sequences, achieving perfect accuracy on certain tasks. The study suggests that the additive pathway destabilizes and conceals the correct automaton learning, with experiments showing that initializing models with this pathway disabled leads to exact generalization. AI

IMPACT Identifies a specific architectural component that impedes generalization in RNNs, potentially guiding future model design.

RANK_REASON Academic paper detailing a novel finding about RNN architecture and optimization. [lever_c_demoted from research: ic=1 ai=1.0]

Read on arXiv cs.LG →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

Research identifies parasitic pathway hindering RNN state tracking

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Academic paper detailing a novel finding about RNN architecture and optimization. [lever_c_demoted from research: ic=1 ai=1.0]
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COVERAGE [1]

  1. arXiv cs.LG TIER_1 English(EN) · Gunner Levi Howe ·

    The Automaton Underneath: The Additive Input Pathway Is a Parasitic Attractor for State Tracking in Householder Linear RNN

    arXiv:2609.18966v1 Announce Type: new Abstract: Linear RNNs with input-dependent Householder-product transitions (DeltaNet/DeltaProduct-class) can provably represent hard state-tracking automata, yet trained models fail to length-generalize -- a gap recent work attributes to opti…