Blog reframes sparse and linear attention with a Taylor expansion and second-order fix
CatAstro_Piyush · x · 2026-07-29
- A blog post reframes sparse and linear attention under one lens: a Taylor expansion view.
- It then extends the idea with a second-order correction (PWT), which the author says works both training-free and trainable.
- The post includes code and discusses why sparse attention matters for long-context LLMs and even more for video generation, where sequence lengths can become enormous.
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