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Yi-Xiao Chen

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#machine learning Preprint Sep 2026

CyFA: Linear Sequence Modeling with Relative-Time-Partitioned Memory

Linear RNNs offer linear-time sequence processing and constant-memory decoding, but their fixed-size recurrent states must accommodate all past key--value associations. Existing forgetting mechanisms and Delta Rule updates reduce interference by selectively clearing or correcting the state, yet earlier associations can...

Yi-Xiao Chen, Shuo-Jin Yang, Shi-Min Hu · 0 citations
#machine learning Preprint Sep 2026

What Should Data Teach? Moving Bottlenecks Across Circuit, Store, and Use

What should data teach a language model at a particular point in training? A circuit view reveals three distinct bottlenecks: forming a computation, making its required content available, and selecting among available routes. A shared diagnosis-to-data principle connects them: localize the missing operation, preserve i...

Yi-Xiao Chen, Ke Cheng, Jiang-Tao Guan et al. · 0 citations
#machine learning Preprint Sep 2026

The Token Before the Value Is the Key: How Hybrid Architectures Organize Induction Circuits

Hybrid language models can improve capability as well as efficiency, raising the question of how architectural complementarity becomes learned computation. We examine the established induction roles of Carrying predecessor information, Matching a source by content, and Copying its value. How are these position-sensitiv...

Ke Cheng, Xin Xu, Yi-Xiao Chen et al. · 0 citations

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