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You Could Have Come Up with Kimi Delta Attention
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Overview
Kimi Delta Attention utilizes bra-ket notation for clarity in mathematical derivations, where column vectors represent states, row vectors represent duals, numbers represent scalars, and matrices represent linear transformations. In this notation, vectors are oriented to the right by default, while keys are oriented to the left within the linear attention structure.
Summary from blog.doubleword.ai.
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blog.doubleword.ai
You Could Have Come Up with Kimi Delta Attention
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Community reactions
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Hacker News · blog.doubleword.ai
Historical count: 5 · 5 saved in sample · Historical sample
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Based on 5 sampled comments from this thread. Analyzed 2026-07-28.
- Praise: The author’s clear explanation of notation at the start is a breath of fresh air — it's not always the case, and it really helps demystify the content.
- Praise: Despite the complexity, some commenters see the underlying math as just adding and multiplying, showing that ML concepts can be accessible.
- Concern: Many readers are left scratching their heads, with one stating, 'I don't even know most words they used in the paper' — not exactly welcoming for newcomers.
- Concern: The complex notation and jargon seem to create a barrier, leading to frustration among those trying to grasp the concepts.