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Fabian Gloeckle

3 accepted papers

2026

ProofOptimizer: Training Language Models to Simplify Proofs without Human Demonstrations

ICLR 2026poster

Neural theorem proving has advanced rapidly in the past year, reaching IMO gold-medalist capabilities and producing formal proofs that span thousands of lines. Although such proofs are mechanically verified by formal systems like Lean, their excessive length renders them difficult for humans to comp…

Cited by 0SourceScholar
2025

The KoLMogorov Test: Compression by Code Generation

ICLR 2025poster

Compression is at the heart of intelligence. A theoretically optimal way to compress any sequence of data is to find the shortest program that outputs that sequence and then halts. However, such Kolmogorov compression is uncomputable, and code generating LLMs struggle to approximate this theoretical…

Cited by 1SourcePDFScholar
2024

Better & Faster Large Language Models via Multi-token Prediction

ICML 2024poster

Large language models such as GPT and Llama are trained with a next-token prediction loss. In this work, we suggest that training language models to predict multiple future tokens at once results in higher sample efficiency. More specifically, at each position in the training corpus, we ask the mode…

Cited by 85SourcePDFScholar