<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>World Models on Jaehun's Blog</title><link>https://jaehun.me/en/tags/world-models/</link><description>Recent content in World Models on Jaehun's Blog</description><generator>Hugo</generator><language>en-US</language><lastBuildDate>Thu, 15 Oct 2026 14:17:42 +0900</lastBuildDate><atom:link href="https://jaehun.me/en/tags/world-models/index.xml" rel="self" type="application/rss+xml"/><item><title>HLA-WM: Hybrid Linear Attention for Long-Horizon Video World Models</title><link>https://jaehun.me/en/posts/paper-2610-05739/</link><pubDate>Thu, 15 Oct 2026 00:00:00 +0900</pubDate><guid>https://jaehun.me/en/posts/paper-2610-05739/</guid><description>&lt;p&gt;&lt;a&#10; href="https://arxiv.org/abs/2610.05739"target="_blank"&#10; class="inline-flex items-center gap-1"&#10; &gt;Paper&lt;svg class="h-3 w-3 flex-shrink-0" id="external-link" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"&gt;&lt;path fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15 3h6v6m-11 5L21 3m-3 10v6a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h6"/&gt;&lt;/svg&gt;&#10; &lt;/a&gt;&lt;/p&gt;&#10;&lt;p class="paper-source"&gt;arXiv:2610.05739 · Monash University · The University of Adelaide · Zhejiang University&lt;/p&gt;&#10;&lt;h2 id="one-line-summary-tldr"&gt;One-Line Summary (TL;DR)&lt;a href="#one-line-summary-tldr" class="heading-anchor" aria-label="Link to this section"&gt;&lt;/a&gt;&lt;/h2&gt;&lt;p&gt;Recurrent linear attention (Gated DeltaNet) in video world models compresses memory into a fixed-size state, which is efficient, but when the camera leaves and returns, distant scenes are progressively forgotten. &lt;strong&gt;HLA-WM&lt;/strong&gt; caches chunk-level affine summaries in a training-free way and uses &lt;strong&gt;camera geometry (frustum overlap)&lt;/strong&gt; to retrieve and recompose the relevant scenes, achieving &lt;strong&gt;PSNR +0.74 dB&lt;/strong&gt;, &lt;strong&gt;rotation error −28.5%&lt;/strong&gt;, and a &lt;strong&gt;12× reduction versus Full KV&lt;/strong&gt; in history memory over a 60-second rollout (about 6× the memory of GDN) (source: §Abstract, Fig. 1).&lt;/p&gt;</description></item></channel></rss>