Author

Ferdinando Fioretto

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Preprint Aug 2026

From Positionwise Confidence to Prefix Scheduling: Verifier Skipping in Speculative Decoding

This analysis shows that verifier skipping is a useful new lossy axis and, surprisingly, its key challenge is prefix scheduling rather than token prediction alone.

Haoxuan Luo, Jameson Sandler, Ferdinando Fioretto · 0 citations

#machine learning Preprint Aug 2026

Learning Discrete Decisions for MIPs with Constraint-Aware Diffusion

Constrained Graph Diffusion, a graph-based generative diffusion model that learns the discrete component of mixed-integer optimization problems while integrating a training-free feasibility projection operator directly into the reverse diffusion process to steer intermediate samples toward the feasible set throughout g...

Vincenzo Di Vito, Mehdi Taghizadeh, Deepjyoti Deka et al. · 0 citations