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Shifting Mechanisms: How Positional Encoding Choice Shapes In-Context Retrieval

This story is from 2026-10-01. It is preserved in the archive; the latest stories are on the live feed.

arXiv:2609.38530v1 Announce Type: new Abstract: Language models increasingly use architectures that vary attention span and positional encoding across layers, such as applying RoPE with sliding-window attention and NoPE with global attention (SWA NoPE). However, how these choices shape in-context r…

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  1. 2026-10-01 04:00 · arXiv cs.CL
    Shifting Mechanisms: How Positional Encoding Choice Shapes In-Context Retrieval

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