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News/Subquadratic Attention with a Hierarchical Tree-Structured Indexer
arxiv
PublishedNovember 2, 2026 at 5:00 AM

Subquadratic Attention with a Hierarchical Tree-Structured Indexer

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arXiv:2610.42112v1 Announce Type: new Abstract: The quadratic scaling of attention is a fundamental bottleneck limiting the long-context capabilities of large language models (LLMs). A variety of approaches have attempted to circumvent this, but they either fail to match attention's expressiveness (

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