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Uniform Memory Retrieval with Larger Capacity for Modern Hopfield Models
April 8, 2024, 4:42 a.m. | Dennis Wu, Jerry Yao-Chieh Hu, Teng-Yun Hsiao, Han Liu
cs.LG updates on arXiv.org arxiv.org
Abstract: We propose a two-stage memory retrieval dynamics for modern Hopfield models, termed $\mathtt{U\text{-}Hop}$, with enhanced memory capacity. Our key contribution is a learnable feature map $\Phi$ which transforms the Hopfield energy function into a kernel space. This transformation ensures convergence between the local minima of energy and the fixed points of retrieval dynamics within the kernel space. Consequently, the kernel norm induced by $\Phi$ serves as a novel similarity measure. It utilizes the stored memory …
abstract arxiv capacity convergence cs.ai cs.lg dynamics energy feature function kernel key map memory modern phi retrieval space stage stat.ml text transformation type uniform
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