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embedding initialization 1model adaptation 1multilingual tokenization 1pretrained language models 1tokenizer expansion 1

From the 1 of 1 linked paper with an AI index.

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1 paper

cs.CL2026

In-Place Tokenizer Expansion for Pre-trained LLMs

Jimmy T. H. Smith, Tarek Dakhran, Alberto Cabrera +7

The paper proposes an in‑place tokenizer expansion method that continues a pre‑trained model’s BPE merges on multilingual data, reuses existing token embeddings, and initializes ne…