ResearchResearch paperLarge Language Models1 source · Oct 9, 2026

Time Delay System for Sequence Modeling

Existing sequence models share a critical limitation: they lack an explicit, interpretable mechanism for content-aware temporal recall.

Key points

  • LSTMs compress everything into a single hidden state, thereby losing information about specific past events.
  • Transformers attend to all tokens indiscriminately at quadratic cost, while state-space models like Mamba compress history into a fixed-dimensional state without explicit content-addressable memory.
  • To address this gap, we introduce a novel framework grounded in nonlinear time-delay systems, in which the effective delay is dynamically estimated based on the semantic similarity between current and historical inputs.
  • Experimental results on text classification and generation outperform state-of-the-art methods.

Sources (1)

  • [1]Time Delay System for Sequence Modeling
    arXiv (AI, ML, NLP, CV, robotics, multi-agent) · Oct 9, 01:43 AM
    Existing sequence models share a critical limitation: they lack an explicit, interpretable mechanism for content-aware temporal recall.
    LSTMs compress everything into a single hidden state, thereby losing information about specific past events.

Extractive summary: sentences quoted from the sources.

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  6. Oct 7, 2026HAN-Mamba: Hierarchical Selective State Space Networks for Multi-Scale Financial Volatility Forecasting

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