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Lost in State Space: Probing Frozen Mamba Representations

A new research paper investigates the internal workings of Mamba, a recurrent neural network architecture. The study tested the hypothesis that Mamba's state could directly yield semantic sentence summaries without additional training. However, the findings indicate that this method does not consistently outperform simpler pooling techniques. The research identified significant issues with representational collapse and anisotropy within Mamba's frozen state. AI

影响 Investigates limitations in Mamba's state compression, potentially guiding future architectural improvements for sequence modeling.

排序理由 Academic paper published on arXiv detailing research findings on a specific model architecture.

在 arXiv cs.CL 阅读 →

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Lost in State Space: Probing Frozen Mamba Representations

报道来源 [2]

  1. arXiv cs.LG TIER_1 English(EN) · Bhagyashree Wagh, Akash Singh ·

    Lost in State Space: Probing Frozen Mamba Representations

    arXiv:2605.00253v1 Announce Type: cross Abstract: Mamba's recurrent state h_t is, by construction, a compressed summary of every token seen so far. This raises a tempting hypothesis: if we extract token-level outputs y_t at fixed patch boundaries, we obtain semantic sentence summ…

  2. arXiv cs.CL TIER_1 English(EN) · Akash Singh ·

    Lost in State Space: Probing Frozen Mamba Representations

    Mamba's recurrent state h_t is, by construction, a compressed summary of every token seen so far. This raises a tempting hypothesis: if we extract token-level outputs y_t at fixed patch boundaries, we obtain semantic sentence summaries for free, with no pooling head, no fine-tuni…