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Susumu Takeuchi

4 accepted papers

2026

Lossless Vocabulary Reduction for Auto-Regressive Language Models

ICLR 2026poster

Tokenization---the process of decomposing a given text into a sequence of subwords called tokens---is one of the key components in the development of language models. Particularly, auto-regressive language models generate texts token by token, i.e., by predicting the next-token distribution given th…

Cited by 0SourceScholar
2026

The Strong Lottery Ticket Hypothesis for Multi-Head Attention Mechanisms

AAAI 2026technical

The strong lottery ticket hypothesis (SLTH) conjectures that high-performing subnetworks, called strong lottery tickets (SLTs), are hidden in randomly initialized neural networks. Although recent theoretical studies have established the SLTH across various neural architectures, the SLTH for transfor

Cited by 0SourcePDFScholar
2025

Portable Reward Tuning: Towards Reusable Fine-Tuning across Different Pretrained Models

ICML 2025poster

While foundation models have been exploited for various expert tasks with their fine-tuned parameters, any foundation model will be eventually outdated due to its old knowledge or limited capability, and thus should be replaced by a new foundation model. Subsequently, to benefit from its latest know…

Cited by 1SourcePDFScholar