Transformer Heads Looking for Order

📅 2026-09-21
📈 Citations: 0
✨ Influential: 0
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🤖 AI Summary
研究解决了使用Transformer判断比特序列是否有序的问题,证明单头单层Transformer无法完成,而双头单层可以实现,模型包含输出MLP。
📝 Abstract
In this note, we show that the problem of checking, whether a sequence of bits is ordered, is not doable by 1-head 1-layer transformers but is doable by a 2-head 1-layer transformer. Unlike similar previous results, our results assume the model where transformers have an output MLP.
Problem

Research questions and friction points this paper is trying to address.

Transformer
sequence of bits
ordered
Innovation

Methods, ideas, or system contributions that make the work stand out.

2-head 1-layer transformer
ordered sequence
output MLP
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