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Author

Michael A. Helcig

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#machine learning Preprint Sep 2026

Self-Repulsive Sampling for Diffusion Language Models

Sampling several responses and voting over their answers can improve a language model's accuracy, but repeated answers limit the benefit of additional samples. Raising temperature increases diversity at a potential cost to per-sample accuracy. We introduce Self-Repulsion (SR), a sampler for masked diffusion language mo...

Michael A. Helcig, Martin Jaggi · 0 citations

Model Compression with Exact Budget Constraints via Riemannian Manifolds

Riemannian Constrained Optimization (RCO) is proposed, which wraps tangent projection, binary-search retraction, and momentum transport around a standard Adam step and optimizes the actual loss with first-order methods, enforces the expected budget exactly at every iterate, and introduces no constraint-related hyperpar...

Michael A. Helcig, Dan Alistarh · 3 citations

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